CA2303058C - Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur - Google Patents

Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur Download PDF

Info

Publication number: CA2303058C
Authority: CA; Canada
Prior art keywords: mandrel; well; tubing string; tubing; wellhead
Prior art date: 2000-03-28
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 - Lifetime

Application number

CA 2303058

Other languages

English (en)

Other versions

CA2303058A1 (fr

Inventor

L. Murray Dallas

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.)

Oil States Energy Services LLC

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.)

2000-03-28

Filing date

2000-03-28

Publication date

2002-07-16

2000-03-28 Application filed by Individual filed Critical Individual

2000-03-28 Priority to CA 2303058 priority Critical patent/CA2303058C/fr

2001-09-28 Publication of CA2303058A1 publication Critical patent/CA2303058A1/fr

2002-07-16 Application granted granted Critical

2002-07-16 Publication of CA2303058C publication Critical patent/CA2303058C/fr

2020-03-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 43
230000001012 protector Effects 0.000 title abstract description 41
239000012530 fluid Substances 0.000 claims abstract description 110
238000007789 sealing Methods 0.000 claims abstract description 55
238000011282 treatment Methods 0.000 claims abstract description 33
KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 claims abstract description 23
238000004519 manufacturing process Methods 0.000 claims abstract description 18
238000004891 communication Methods 0.000 claims abstract description 15
230000000638 stimulation Effects 0.000 claims description 29
230000007246 mechanism Effects 0.000 claims description 18
229910000831 Steel Inorganic materials 0.000 claims description 13
239000010959 steel Substances 0.000 claims description 13
239000002253 acid Substances 0.000 claims description 10
230000003628 erosive effect Effects 0.000 claims description 4
239000003082 abrasive agent Substances 0.000 claims description 3
238000005086 pumping Methods 0.000 claims description 3
230000000295 complement effect Effects 0.000 claims 4
230000008901 benefit Effects 0.000 abstract description 2
238000002955 isolation Methods 0.000 description 12
239000007789 gas Substances 0.000 description 8
238000009434 installation Methods 0.000 description 6
238000012856 packing Methods 0.000 description 6
210000002445 nipple Anatomy 0.000 description 5
125000006850 spacer group Chemical group 0.000 description 4
229930195733 hydrocarbon Natural products 0.000 description 3
150000002430 hydrocarbons Chemical class 0.000 description 3
229910001104 4140 steel Inorganic materials 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
239000005060 rubber Substances 0.000 description 2
229910001369 Brass Inorganic materials 0.000 description 1
238000010306 acid treatment Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
238000013459 approach Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000010951 brass Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
206010016256 fatigue Diseases 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
230000008569 process Effects 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
238000003466 welding Methods 0.000 description 1
239000003180 well treatment fluid Substances 0.000 description 1

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Pressure Vessels And Lids Thereof (AREA)

CA 2303058 2000-03-28 2000-03-28 Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur Expired - Lifetime CA2303058C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2303058 CA2303058C (fr)	2000-03-28	2000-03-28	Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2303058 CA2303058C (fr)	2000-03-28	2000-03-28	Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur

Publications (2)

Publication Number	Publication Date
CA2303058A1 CA2303058A1 (fr)	2001-09-28
CA2303058C true CA2303058C (fr)	2002-07-16

Family

ID=4165718

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2303058 Expired - Lifetime CA2303058C (fr)	2000-03-28	2000-03-28	Protecteur de blocs obturateurs et methode d'utilisation dudit protecteur

Country Status (1)

Country	Link
CA (1)	CA2303058C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102121360A (zh) *	2010-12-31	2011-07-13	承德市开发区富泉石油机械有限公司	一种弹簧式闸板锁紧机构
CN106401520B (zh) *	2016-11-22	2018-11-16	袁旭东	一种稠油采油测试井口装置
CN113445957B (zh) *	2021-09-01	2021-11-26	东营金昱技术开发有限公司	一种可保护胶筒的油田注水井用封隔器
NL2032110B1 (en) *	2022-06-09	2023-12-18	Well Gear Group B V	A workover system for receiving a tubular string from a wellbore

2000
- 2000-03-28 CA CA 2303058 patent/CA2303058C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2303058A1 (fr)	2001-09-28

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Legal Events

Date	Code	Title	Description
2000-03-28	EEER	Examination request
2020-06-16	MKEX	Expiry	Effective date: 20200328