XO Korea/business content/71120000 Well drilling and construction services

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환영합니다 | Portal | XO Korea | Deployment | Content | Hardware | Software | Mesh Network | Ethics | LOS | XO City | Accreditation | Consortium

The content below is for Game development.

XO Korea expects about 100,000 business servers will be distributed in Korea in 5 years from now (June, 2007). The main purpose of those servers is to provide various IT resources necessary to establish a new business framework; One server represents one independent business. So, there will be more than 100,000 new corporations in 5 years.

Those corporations (so called, XO Corporations) have some peculiar features different from current ordinary companies;

  • They are open source based: standard business workflows are being written by open source communities, and they will be managed openly, transparently, and on XO.
  • Half the ownership (shares) of each company is owned by XO Foundations. The revenue or income of those XO Foundations shall be expensed openly and transparently to ;
    1. Promote open source development
    2. Establish and maintain public facilities of XO Communities of XO Cities
  • They are all IT companies regardless of industrial classification it belongs in UNSPSC; all XO like corporations
  • Energy efficient and Eco-friendly ones: they always participate in Climate Savers' activities.
  • They form One Corporation: XO Business Group
  • Their shares are traded in XO Exchange 24hrs/365days via XO Network.

Under Open Enterprise Architecture, XO Korea is now establishing a framework in which the standard workflow of each business can be set.

Below is the list of business categories belong to the title category. All categories are hierarchically organized; Tier 1 ~ Tier 6. Each item in each tier has its own standard business type, and Tier 1 encompasses Tier 2 and so on.

When the location and other requirements are met, then link to page for any server below will be made. Those server pages will contain information about the follow functions or data (most are statistics related;

  1. the constitution of company established & corporation ID
  2. sever location and details about server operation; software modules/objects used under OEA, hardware specification, server management etc.
  3. economic aspects of the industry which the company represents; full description of the industry, values produced by the industry in a given society/region/nation, the mean/median/mode productivity of employees etc.
  4. job/work description in detail: what kinds of works done in the company/industry, etc.
  5. standard workflow written in Python, eToy, Squeak, and Smalltalk (YAWL like)
  6. employees; educational backgrounds of employees, mean/median/mode working period
  7. expected initional public offering at XO Korea/xo exchange
  8. board of directors
  9. financial statements (starting balance sheet)
  10. long-term financial plan
  11. expected income statements for 5 years
  12. related laws and regulations

For full descripion of the game, see XO City.

Each item in the list below will have 1~30 subcategories, each of which will have its own standard corporation type.

List

  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121001 Oilfield casing hardware services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121002 Oilfield cement lab testing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121008 Oilwell lost circulation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121009 Oilfield mud removal services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121010 Plug cement services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121011 Well site pressure pumping services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121012 Oilfield pressure testing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121016 Squeeze well cementing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121017 Well water control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121018 Well cement evaluation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121024 Casing cement services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121000 Cement pumping services/71121025 Other cementing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121101 Acidizing through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121102 Cable installation through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121103 Cementing through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121104 Chemical cutting through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121105 Clean out through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121106 Completion through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121107 Conveying inflatables through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121108 Coring through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121109 Extended reach well services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121110 Fishing through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121111 Fracturing through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121112 High pressure coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121113 Horizontal isolation oilfield services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121114 Logging with coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121115 Milling through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121116 Nitrogen related applications through coiled tubing
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121117 Perforating through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121118 Pipeline or flow line laying services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121119 Pipeline intervention services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121120 Sand control through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121121 Abrasive tubular cleaning services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121122 Well kill through coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121100 Coiled tubing services/71121123 Casing exit with coiled tubing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121201 Conventional coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121202 Core isolation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121203 Core preservation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121204 Horizontal coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121205 Oriented coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121206 Rig site core analysis services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121207 Sponge coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121208 Wireline retrievable coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121209 Anti jamming system services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121210 Motor coring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121200 Coring services/71121211 Full closure systems services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121301 Downhole drilling vibration control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121302 Downhole drilling borehole enlargement services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121303 Downhole drilling reaming and gauge protection services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121304 Downhole drilling torque or drag reduction services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121305 Downhole drilling stuck pipe alleviation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121306 Downhole drilling tubular rental services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121307 Downhole drilling tool repair services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121300 Downhole drilling tool services/71121309 Downhole drilling stabilization services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121401 Oilfield drilling bit design services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121402 Oilfield drilling bit hydraulic optimization services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121403 Oilfield drilling bit planning services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121404 Oilfield drilling bit recording services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121405 Oilfield drilling bit repair services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121406 Oilfield drilling bit footage contracts
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121407 Well site drilling optimization assistance service
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121400 Oilfield drilling bit services/71121408 Drill bit hydraulic lifting system services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121501 Acoustic measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121502 Acoustic telemetry when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121503 Caliper measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121504 Density measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121505 Oilfield drilling performance services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121506 Electromagnetic telemetry when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121507 Formation dip measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121508 Formation pressure measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121509 Geologically steered wells
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121510 Geostopping services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121511 Mud logging services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121512 Nuclear magnetic resonance services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121513 Porosity measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121514 Resistivity measurement when drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121515 Well surveying management services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121500 Drilling measurement services/71121516 Surveying wireline services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121601 Well casing crew service
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121602 Well casing planning services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121603 Well casing milling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121604 Coiled tubing drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121605 Well completion planning services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121606 Conventional well directional drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121607 Well directional drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121608 Well drilling contract development services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121610 Well drilling engineering services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121611 Well drilling mud or fluid services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121612 Well drilling of water intake well services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121613 Well drilling rig monitor services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121614 Well drilling solids control
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121615 Well drilling stabilizing or hole opening services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121616 Well drilling supervision
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121617 Well drilling control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121618 Well drilling other general services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121619 Extended reach directional well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121620 Multilateral directional well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121621 Oil country tubular modification or testing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121622 Well drilling pickup or laydown service
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121623 Well drilling pipe storage
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121624 Well drilling pipe threading
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121625 Rat hole well drilling service
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121626 Short radius directional well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121627 Steerable underreaming while well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121628 Ultra short radius directional well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121629 Underbalanced well drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121630 Well planning services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121631 Well redrilling or reworking services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121632 Well drilling deviation control
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121633 Oilfield gravel packing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121634 Oilfield hull systems services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121635 Rig well pulling crew services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121636 Wellhead equipment services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121600 Oil well drilling services/71121637 Sidetracking with whipstock services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121701 Oilfield fishing service design services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121702 Oilfield fishing service economic evaluation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121703 Oilfield fishing service operation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121704 Oilfield junk recovery services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121705 Oilfield pipe recovery service
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121700 Oilfield fishing services/71121706 Oilfield fishing or drilling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121805 Plunger lift services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121806 Reciprocating rod lift services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121807 Hydraulic lifting services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121808 Progressive cavity lift CVX services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121809 Well site optimization and automation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121810 Electronic submersible pump lifting services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121811 Other lift systems
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121800 Artificial lift services/71121812 Gas lift Services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121900 Downhole fluid services/71121901 Downhole fluid evaluation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121900 Downhole fluid services/71121902 Downhole fluid laboratory services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121900 Downhole fluid services/71121903 Downhole fluid sampling services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71121900 Downhole fluid services/71121904 Downhole fluid engineering services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122001 Coiled tubing well perforating services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122002 Slickline well perforating services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122003 Through tubing well perforation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122004 Tubing conveyed well perforating services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122005 Wireline well perforating services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122000 Well perforating services/71122006 Well tubing puncher services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122101 Acid sand control pumping services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122102 Sand control blending services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122103 Cleaning fluid sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122104 Completion fluid sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122105 Well consolidation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122107 Fracturing fluid sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122108 Fracturing pre frac design testing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122109 General/miscellaneous sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122110 Gravel carrier fluid sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122111 Sand control lab testing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122112 Multizone sand control services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122113 Sand control monitoring services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122114 Sand control temporary isolation services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122115 Well tool redressing services
  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122100 Oilfield sand control services/71122116 Non fracturing sand control pumping services
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122500 Water or gas control services/71122506 Flare services
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122600 Well completion services/71122614 Liner running services
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122600 Well completion services/71122616 Expandable pipe/screen well completion services
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122700 Well maintenance services/71122704 Oilfield snubbing service
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71122700 Well maintenance services/71122707 Oilfield tubing anchor services
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  • [[XO Korea/business content/71000000 Mining and oil and gas services/71120000 Well drilling and construction services/71123000 Integrated services/71123007 Integrated field rehabilitation services