CA2181177A1 - Downhole motor for a drilling apparatus - Google Patents

Downhole motor for a drilling apparatus

Info

Publication number
CA2181177A1
CA2181177A1 CA002181177A CA2181177A CA2181177A1 CA 2181177 A1 CA2181177 A1 CA 2181177A1 CA 002181177 A CA002181177 A CA 002181177A CA 2181177 A CA2181177 A CA 2181177A CA 2181177 A1 CA2181177 A1 CA 2181177A1
Authority
CA
Canada
Prior art keywords
stator
rotor
opposed
rods
seals
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
CA002181177A
Other languages
French (fr)
Other versions
CA2181177C (en
Inventor
Gary Lawrence Harris
Hector Drentham Susman
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
Application filed by Individual filed Critical Individual
Priority claimed from PCT/GB1995/000069 external-priority patent/WO1995019488A1/en
Publication of CA2181177A1 publication Critical patent/CA2181177A1/en
Application granted granted Critical
Publication of CA2181177C publication Critical patent/CA2181177C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

A drilling motor (20) comprises a stator (21) and a rotor (23) rotatably mounted in a stator (21). The stator (21) is provided with two opposed rod recesses (75) and two opposed exhaust ports (33). In use motive fluid is pumped through a central channel (27) in the rotor (23) and through a plurality of radially extending channels (58) into action chambers (31) between the rotor (23) and the stator (21). The rotor (23) has two opposed seals (76) which engage the stator (21) and the rod recesses (75) are each provided with rods (71) which, in use, also form a seal between the stator (21) and the rotor (23). The seals (76) and rods (71) can be made of a variety of materials including stainless steel. Two drilling motors (20, 50) can be arranged in parallel with their rotors out of phase to provide a relatively smooth power output and inhibit stalling.
CA002181177A 1994-01-13 1995-01-13 Downhole motor for a drilling apparatus Expired - Lifetime CA2181177C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18169394A 1994-01-13 1994-01-13
US08/181,693 1994-01-13
PCT/GB1995/000069 WO1995019488A1 (en) 1994-01-13 1995-01-13 Downhole motor for a drilling apparatus

Publications (2)

Publication Number Publication Date
CA2181177A1 true CA2181177A1 (en) 1995-07-20
CA2181177C CA2181177C (en) 2005-11-29

Family

ID=35520581

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002181177A Expired - Lifetime CA2181177C (en) 1994-01-13 1995-01-13 Downhole motor for a drilling apparatus

Country Status (1)

Country Link
CA (1) CA2181177C (en)

Also Published As

Publication number Publication date
CA2181177C (en) 2005-11-29

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150113