CA2481533A1 - Method of foam emulsion well cleanout for gas well - Google Patents

Method of foam emulsion well cleanout for gas well Download PDF

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Publication number
CA2481533A1
CA2481533A1 CA002481533A CA2481533A CA2481533A1 CA 2481533 A1 CA2481533 A1 CA 2481533A1 CA 002481533 A CA002481533 A CA 002481533A CA 2481533 A CA2481533 A CA 2481533A CA 2481533 A1 CA2481533 A1 CA 2481533A1
Authority
CA
Canada
Prior art keywords
foam
pressure
well
gas well
compressed air
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.)
Granted
Application number
CA002481533A
Other languages
French (fr)
Other versions
CA2481533C (en
Inventor
Al Leduc
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36035870&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2481533(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to CA002481533A priority Critical patent/CA2481533C/en
Priority to PCT/CA2005/001294 priority patent/WO2006026849A1/en
Publication of CA2481533A1 publication Critical patent/CA2481533A1/en
Priority to US11/683,395 priority patent/US7278488B2/en
Application granted granted Critical
Publication of CA2481533C publication Critical patent/CA2481533C/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • 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

Abstract

A method of foam emulsion well cleanout for gas well. An emulsifier apparatus is connected to a source of compressed air and a source of foaming solution that are capable of supplying compressed air and foaming solution to the emulsifier apparatus within a range of selected pressures. The foam outlet of the emulsifier apparatus is connected to a discharge conduit supplying foam to a gas well. The pressure of compressed air foaming solution supplied to the foaming solution inlet is increased until sufficient pressure is generated to force foam exiting the foam outlet along the discharge conduit and down the gas well with an average density of approximately 1 KPA per meter, while monitoring gas well pressure and varying compressed air pressure and foam density to ensure that pressure is always maintained at less than 80% of well pressure.
CA002481533A 2004-09-10 2004-09-10 Method of foam emulsion well cleanout for gas well Expired - Fee Related CA2481533C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002481533A CA2481533C (en) 2004-09-10 2004-09-10 Method of foam emulsion well cleanout for gas well
PCT/CA2005/001294 WO2006026849A1 (en) 2004-09-10 2005-08-29 Method of foam emulsions well cleanout for gas well
US11/683,395 US7278488B2 (en) 2004-09-10 2007-03-07 Method of generating stable foam for oil and gas well cleanouts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002481533A CA2481533C (en) 2004-09-10 2004-09-10 Method of foam emulsion well cleanout for gas well

Publications (2)

Publication Number Publication Date
CA2481533A1 true CA2481533A1 (en) 2006-03-10
CA2481533C CA2481533C (en) 2009-04-21

Family

ID=36035870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002481533A Expired - Fee Related CA2481533C (en) 2004-09-10 2004-09-10 Method of foam emulsion well cleanout for gas well

Country Status (3)

Country Link
US (1) US7278488B2 (en)
CA (1) CA2481533C (en)
WO (1) WO2006026849A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8056636B1 (en) 2008-03-03 2011-11-15 LP Chemical Service LLC Jet pump with foam generator
US9664009B2 (en) * 2012-04-04 2017-05-30 Weatherford Technologies, LLC Apparatuses, systems, and methods for forming in-situ gel pills to lift liquids from horizontal wells
RU2601879C1 (en) * 2015-11-09 2016-11-10 Публичное акционерное общество "Татнефть" имени В.Д. Шашина Method of cleaning bottom-hole formation zone of injection wells after hydraulic fracturing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2125245A (en) 1935-06-28 1938-07-26 Texas Co Emulsion apparatus
US3377139A (en) 1963-06-21 1968-04-09 Allied Chem Apparatus for preparing low density urea-formaldehyde foams
FR2037745A5 (en) * 1969-03-13 1970-12-31 Chevron Res
US3662828A (en) * 1970-09-11 1972-05-16 Chevron Res Through tubing well cleanout method using foam
FR2214037B1 (en) * 1973-01-16 1975-10-31 Schlumberger Ltd
US4213936A (en) 1978-08-09 1980-07-22 Robert Lodrick Foam generating and spraying apparatus
US4394289A (en) 1981-07-01 1983-07-19 Brown Lamar W Continuous foam generating system
EP0285725B1 (en) 1987-04-10 1992-09-30 Chugoku Kayaku Kabushiki Kaisha Mixing apparatus
US4913237A (en) * 1989-02-14 1990-04-03 Amoco Corporation Remedial treatment for coal degas wells
US5356565A (en) 1992-08-26 1994-10-18 Marathon Oil Company In-line foam generator for hydrocarbon recovery applications and its use
US6086052A (en) 1996-12-03 2000-07-11 Rowe; Carroll G. Foam generating apparatus
US6125761A (en) * 1997-08-07 2000-10-03 Southwest Energy Inc. Zinc oxide inhibited emulsion explosives and method
US6422734B1 (en) 1999-10-27 2002-07-23 National Gypsum Properties, Llc Static foam generating apparatus and method

Also Published As

Publication number Publication date
US20070144742A1 (en) 2007-06-28
CA2481533C (en) 2009-04-21
US7278488B2 (en) 2007-10-09
WO2006026849A1 (en) 2006-03-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180910