GB2431947B - Downhole oilfield erosion protection - Google Patents

Downhole oilfield erosion protection

Info

Publication number
GB2431947B
GB2431947B GB0621544A GB0621544A GB2431947B GB 2431947 B GB2431947 B GB 2431947B GB 0621544 A GB0621544 A GB 0621544A GB 0621544 A GB0621544 A GB 0621544A GB 2431947 B GB2431947 B GB 2431947B
Authority
GB
United Kingdom
Prior art keywords
erosion protection
downhole oilfield
oilfield
downhole
erosion
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.)
Expired - Fee Related
Application number
GB0621544A
Other versions
GB2431947A (en
GB0621544D0 (en
Inventor
Mitchell Darwin Lambert
John Ravensbergen
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.)
BJ Services Co USA
Original Assignee
BJ Services Co USA
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
Priority claimed from GB0419179A external-priority patent/GB2405425B/en
Application filed by BJ Services Co USA filed Critical BJ Services Co USA
Publication of GB0621544D0 publication Critical patent/GB0621544D0/en
Publication of GB2431947A publication Critical patent/GB2431947A/en
Application granted granted Critical
Publication of GB2431947B publication Critical patent/GB2431947B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
GB0621544A 2003-08-29 2006-10-31 Downhole oilfield erosion protection Expired - Fee Related GB2431947B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49909003P 2003-08-29 2003-08-29
GB0419179A GB2405425B (en) 2003-08-29 2004-08-27 Erosion-protecting throat for a downhole tool

Publications (3)

Publication Number Publication Date
GB0621544D0 GB0621544D0 (en) 2006-12-06
GB2431947A GB2431947A (en) 2007-05-09
GB2431947B true GB2431947B (en) 2008-03-12

Family

ID=37964929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0621544A Expired - Fee Related GB2431947B (en) 2003-08-29 2006-10-31 Downhole oilfield erosion protection

Country Status (1)

Country Link
GB (1) GB2431947B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156048B (en) * 2015-07-29 2018-01-05 中国石油天然气股份有限公司 A kind of concentric double pipe sand-flushing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135861A (en) * 1977-05-09 1979-01-23 Kobe, Inc. Jet pump with ceramic venturi
GB1543371A (en) * 1975-02-12 1979-04-04 Inst Pentru Creatie Stintific Gas actuated ejector and lift for raising well fluids
US4280662A (en) * 1979-11-16 1981-07-28 Kobe, Inc. Erosion resistant jet pump and method of making same
US6354371B1 (en) * 2000-02-04 2002-03-12 O'blanc Alton A. Jet pump assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543371A (en) * 1975-02-12 1979-04-04 Inst Pentru Creatie Stintific Gas actuated ejector and lift for raising well fluids
US4135861A (en) * 1977-05-09 1979-01-23 Kobe, Inc. Jet pump with ceramic venturi
US4280662A (en) * 1979-11-16 1981-07-28 Kobe, Inc. Erosion resistant jet pump and method of making same
US6354371B1 (en) * 2000-02-04 2002-03-12 O'blanc Alton A. Jet pump assembly

Also Published As

Publication number Publication date
GB2431947A (en) 2007-05-09
GB0621544D0 (en) 2006-12-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160827