GB0623007D0 - A mud depression tool and process for drilling - Google Patents

A mud depression tool and process for drilling

Info

Publication number
GB0623007D0
GB0623007D0 GBGB0623007.2A GB0623007A GB0623007D0 GB 0623007 D0 GB0623007 D0 GB 0623007D0 GB 0623007 A GB0623007 A GB 0623007A GB 0623007 D0 GB0623007 D0 GB 0623007D0
Authority
GB
United Kingdom
Prior art keywords
mud
drilling
depression tool
depression
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GBGB0623007.2A
Other versions
GB2432380A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMITH WINSTON A
Original Assignee
SMITH WINSTON A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMITH WINSTON A filed Critical SMITH WINSTON A
Priority to GB0623007A priority Critical patent/GB2432380A/en
Publication of GB0623007D0 publication Critical patent/GB0623007D0/en
Publication of GB2432380A publication Critical patent/GB2432380A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/124—Adaptation of jet-pump systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B2021/006—
GB0623007A 2006-11-20 2006-11-20 Underbalanced Drilling Withdrawn GB2432380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0623007A GB2432380A (en) 2006-11-20 2006-11-20 Underbalanced Drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0623007A GB2432380A (en) 2006-11-20 2006-11-20 Underbalanced Drilling

Publications (2)

Publication Number Publication Date
GB0623007D0 true GB0623007D0 (en) 2006-12-27
GB2432380A GB2432380A (en) 2007-05-23

Family

ID=37605518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0623007A Withdrawn GB2432380A (en) 2006-11-20 2006-11-20 Underbalanced Drilling

Country Status (1)

Country Link
GB (1) GB2432380A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107524419A (en) * 2017-09-22 2017-12-29 中国石油集团西部钻探工程有限公司 Hydraulic shock device
CN109751019A (en) * 2017-11-02 2019-05-14 中国石油天然气股份有限公司 Adjustable choke, process pipe string and adjusting method
CN114876395A (en) * 2022-04-11 2022-08-09 四川中能数智科技发展有限公司 Cement sheath eccentric rolling extrusion crushing tool with long service life and recovery assistance of sleeve
CN116856867A (en) * 2023-09-04 2023-10-10 牡丹江市林海石油打捞工具有限公司 Variable diameter drilling tool stabilizer for well drilling

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO332113B1 (en) * 2010-08-05 2012-06-25 Tomax As Device at pump located at a drill bit.
CN106255802B (en) 2014-06-30 2019-10-22 哈里伯顿能源服务公司 Downhole fluid stream turns to
CN104594823B (en) * 2014-12-25 2016-08-24 刘岩 Multiple spot abrasionproof pressure hanging device
US11168526B1 (en) * 2020-04-30 2021-11-09 Hughes Tool Company LLC Jet pump drilling assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534426A (en) * 1983-08-24 1985-08-13 Unique Oil Tools, Inc. Packer weighted and pressure differential method and apparatus for Big Hole drilling
US6877571B2 (en) * 2001-09-04 2005-04-12 Sunstone Corporation Down hole drilling assembly with independent jet pump
US6899188B2 (en) * 2003-03-26 2005-05-31 Sunstone Corporation Down hole drilling assembly with concentric casing actuated jet pump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107524419A (en) * 2017-09-22 2017-12-29 中国石油集团西部钻探工程有限公司 Hydraulic shock device
CN109751019A (en) * 2017-11-02 2019-05-14 中国石油天然气股份有限公司 Adjustable choke, process pipe string and adjusting method
CN109751019B (en) * 2017-11-02 2023-11-28 中国石油天然气股份有限公司 Adjustable oil nozzle, process pipe column and adjusting method
CN114876395A (en) * 2022-04-11 2022-08-09 四川中能数智科技发展有限公司 Cement sheath eccentric rolling extrusion crushing tool with long service life and recovery assistance of sleeve
CN114876395B (en) * 2022-04-11 2023-09-22 四川中能数智科技发展有限公司 Cement ring eccentric rolling extrusion crushing tool for recycling long-service-life auxiliary sleeve
CN116856867A (en) * 2023-09-04 2023-10-10 牡丹江市林海石油打捞工具有限公司 Variable diameter drilling tool stabilizer for well drilling
CN116856867B (en) * 2023-09-04 2023-11-28 牡丹江市林海石油打捞工具有限公司 Variable diameter drilling tool stabilizer for well drilling

Also Published As

Publication number Publication date
GB2432380A (en) 2007-05-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)