CA1234385A - Mecanisme moteur a fond de forage - Google Patents

Mecanisme moteur a fond de forage

Info

Publication number: CA1234385A
Authority: CA; Canada
Prior art keywords: seal; mandrel; housing; piston; chamber
Prior art date: 1985-10-25
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

Application number

CA000535226A

Other languages

English (en)

Inventor

Kenneth H. Wenzel

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.)

Maxi Torque Drill Systems Inc

Original Assignee

Maxi Torque Drill Systems Inc

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.)

1985-10-25

Filing date

1987-04-21

Publication date

1988-03-22

1985-10-25 Priority claimed from US06/791,217 external-priority patent/US4683964A/en

1987-04-21 Application filed by Maxi Torque Drill Systems Inc filed Critical Maxi Torque Drill Systems Inc

1987-04-21 Priority to CA000535226A priority Critical patent/CA1234385A/fr

1988-03-22 Application granted granted Critical

1988-03-22 Publication of CA1234385A publication Critical patent/CA1234385A/fr

Status Expired legal-status Critical Current

Links

239000012530 fluid Substances 0.000 claims abstract description 51
238000005553 drilling Methods 0.000 claims abstract description 23
238000007789 sealing Methods 0.000 claims abstract description 9
230000004044 response Effects 0.000 claims abstract description 7
238000007667 floating Methods 0.000 claims description 23
230000006872 improvement Effects 0.000 claims description 11
230000001050 lubricating effect Effects 0.000 claims description 7
230000006835 compression Effects 0.000 description 6
238000007906 compression Methods 0.000 description 6
230000009467 reduction Effects 0.000 description 6
125000006850 spacer group Chemical group 0.000 description 6
230000008878 coupling Effects 0.000 description 4
238000010168 coupling process Methods 0.000 description 4
238000005859 coupling reaction Methods 0.000 description 4
230000000712 assembly Effects 0.000 description 3
238000000429 assembly Methods 0.000 description 3
230000007246 mechanism Effects 0.000 description 3
239000003638 chemical reducing agent Substances 0.000 description 2
239000004519 grease Substances 0.000 description 2
210000002445 nipple Anatomy 0.000 description 2
230000002028 premature Effects 0.000 description 2
101100208975 Schizosaccharomyces pombe (strain 972 / ATCC 24843) urg2 gene Proteins 0.000 description 1
230000004075 alteration Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
238000005755 formation reaction Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
239000011435 rock Substances 0.000 description 1
239000002689 soil Substances 0.000 description 1

Landscapes

Earth Drilling (AREA)

CA000535226A 1985-10-25 1987-04-21 Mecanisme moteur a fond de forage Expired CA1234385A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000535226A CA1234385A (fr)	1985-10-25	1987-04-21	Mecanisme moteur a fond de forage

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US791,217		1985-10-25
US06/791,217 US4683964A (en)	1985-10-25	1985-10-25	Downhole drill bit drive apparatus
CA000500365A CA1224456A (fr)	1985-10-25	1986-01-24	Dispositif d'entrainement de trepan a fond de puits
CA000535226A CA1234385A (fr)	1985-10-25	1987-04-21	Mecanisme moteur a fond de forage

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000500365A Division CA1224456A (fr)	1985-10-25	1986-01-24	Dispositif d'entrainement de trepan a fond de puits

Publications (1)

Publication Number	Publication Date
CA1234385A true CA1234385A (fr)	1988-03-22

Family

ID=25670900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000535226A Expired CA1234385A (fr)	1985-10-25	1987-04-21	Mecanisme moteur a fond de forage

Country Status (1)

Country	Link
CA (1)	CA1234385A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5217080A (en) *	1991-01-08	1993-06-08	Wenzel Kenneth H	Sealing system for a sealed bearing assembly
US5248204A (en) *	1992-02-14	1993-09-28	Canadian Downhole Drill Systems, Inc.	Short stack bearing assembly

1987
- 1987-04-21 CA CA000535226A patent/CA1234385A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5217080A (en) *	1991-01-08	1993-06-08	Wenzel Kenneth H	Sealing system for a sealed bearing assembly
US5248204A (en) *	1992-02-14	1993-09-28	Canadian Downhole Drill Systems, Inc.	Short stack bearing assembly

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Legal Events

Date	Code	Title	Description
2006-01-24	MKEX	Expiry