CA1095020A - Outil de forage pour fond de puits - Google Patents

Outil de forage pour fond de puits

Info

Publication number
CA1095020A
CA1095020A CA311,114A CA311114A CA1095020A CA 1095020 A CA1095020 A CA 1095020A CA 311114 A CA311114 A CA 311114A CA 1095020 A CA1095020 A CA 1095020A
Authority
CA
Canada
Prior art keywords
shaft
bearing
housing
bearings
rotor
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
Application number
CA311,114A
Other languages
English (en)
Inventor
Lawrence W. Matson, Jr.
William J. Mcdonald, Jr.
William C. Maurer
Charles E. Ward
William A. Rehm
Larry J. Remont
Jeddy D. Nixon, Jr.
Albert R. Sinclair
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.)
Maurer Engineering Inc
Original Assignee
Maurer Engineering 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.)
Filing date
Publication date
Priority claimed from US05/849,976 external-priority patent/US4114702A/en
Priority claimed from US05/849,977 external-priority patent/US4114703A/en
Priority claimed from US05/849,988 external-priority patent/US4114704A/en
Priority claimed from US05/941,275 external-priority patent/US4225000A/en
Priority claimed from US05/941,405 external-priority patent/US4246976A/en
Application filed by Maurer Engineering Inc filed Critical Maurer Engineering Inc
Priority to CA000369924A priority Critical patent/CA1122200A/fr
Application granted granted Critical
Publication of CA1095020A publication Critical patent/CA1095020A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA311,114A 1977-11-09 1978-09-12 Outil de forage pour fond de puits Expired CA1095020A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000369924A CA1122200A (fr) 1977-11-09 1981-02-02 Turboforeuse

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US84997977A 1977-11-09 1977-11-09
US84997877A 1977-11-09 1977-11-09
US849,979 1977-11-09
US849,988 1977-11-09
US05/849,976 US4114702A (en) 1977-11-09 1977-11-09 Well drilling tool with lubricant level indicator
US05/849,977 US4114703A (en) 1977-11-09 1977-11-09 Well drilling tool having sealed lubrication system
US849,976 1977-11-09
US849,978 1977-11-09
US849,977 1977-11-09
US05/849,988 US4114704A (en) 1977-11-09 1977-11-09 Down hole well drilling tool with reversible thrust bearings
US941,275 1978-09-11
US05/941,275 US4225000A (en) 1978-09-11 1978-09-11 Down hole drilling motor with pressure balanced bearing seals
US05/941,405 US4246976A (en) 1978-09-11 1978-09-11 Down hole drilling motor with pressure balanced bearing seals
US941,405 1978-09-11

Publications (1)

Publication Number Publication Date
CA1095020A true CA1095020A (fr) 1981-02-03

Family

ID=27569928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311,114A Expired CA1095020A (fr) 1977-11-09 1978-09-12 Outil de forage pour fond de puits

Country Status (1)

Country Link
CA (1) CA1095020A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113079701A (zh) * 2018-11-07 2021-07-06 瑞沃井下工具有限公司 带有下部密封件的泥浆润滑式轴承组件

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113079701A (zh) * 2018-11-07 2021-07-06 瑞沃井下工具有限公司 带有下部密封件的泥浆润滑式轴承组件
CN113079701B (zh) * 2018-11-07 2023-11-24 瑞沃井下工具有限公司 带有下部密封件的泥浆润滑式轴承组件

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Legal Events

Date Code Title Description
MKEX Expiry