1
Eddison Alan Martyn, Adam Mark: Downhole tool having radially extendable members. Andergauge, Eddison Alan Martyn, Adam Mark, MACDOUGALL Donald Carmichael, November 11, 2004: WO/2004/097163 (12 worldwide citation)

A downhole tool (10) comprises a body (14), radially extendable members (16) mounted to the body and movable between retracted and extended positions, a cam member (32) operatively associated with the extendable members and movable relative to the body to extend the extendable members, and a support ...


2
Eddison Alan Martyn: Underreamer having radially extendable members. Andergauge, Eddison Alan Martyn, SZCZUKA Jan Tymoteusz, February 15, 2007: WO/2007/017651 (4 worldwide citation)

A downhole apparatus comprises a body (14), extendable members (12) mounted on the body (14) and being movable between retracted and extended configurations, and a remotely operable retaining arrangement for maintaining the extendable members in the retracted configuration. The extendable members (1 ...


3
Fitzgerald Joseph, Eddison Alan Martyn: Downhole cleaning apparatus. Andergauge, Fitzgerald Joseph, Eddison Alan Martyn, SZCZUKA Jan Tymoteusz, February 16, 2006: WO/2006/016102 (3 worldwide citation)

Downhole cleaning apparatus in the form of a casing scraper (10) comprises body (12) and cleaning members (22) mounted on the body. The cleaning members (22) are selectively movable from a retracted configuration to an extended cleaning configuration. The casing scraper (10) may be mounted on a dril ...


4
Eddison Alan Martyn: Downhole tool. Andergauge, Eddison Alan Martyn, MCCALLUM William Potter, September 26, 2002: WO/2002/075104 (1 worldwide citation)

A hydraulic tool assembly for a downhole tool comprises a body (12), first and second members (14, 16) mounted for independent movement with respect to the body, and first and second control fluid chambers (24, 26) associated with the respective first and second members. Movement of the first member ...


5
Eddison Alan Martyn: Drilling apparatus. Andergauge, Eddison Alan Martyn, MCCALLUM William Potter, December 18, 1997: WO/1997/047848 (1 worldwide citation)

Directional drilling apparatus (26) for location on a drill string (20) comprises a stabiliser (32) having a mandrel (38) for connection to the drill string (20) and an eccentric non-rotating element (46) mounted on the mandrel (38) for offsetting the string (20) in the bore (22) and a non-rotating ...


6
Eddison Alan Martyn: Directional drilling apparatus. Andergauge, Eddison Alan Martyn, MCCALLUM William Potter, August 1, 2002: WO/2002/059447 (1 worldwide citation)

Directional drilling apparatus having a non-rotating mass rotatably mounted on a mandrel and with a centre-of-gravity spaced form the mandrel axis. An offsetting arrangement is coupled to the mass, and has an outer profile defining an offset relative to the mandrel axis, and a bearing portion rotata ...


7
Eddison Alan Martyn, Robertson Leslie, Innes Richard Alexander: Running and cementing tubing. Andergauge, Eddison Alan Martyn, Robertson Leslie, Innes Richard Alexander, SZCZUKA Jan Tymoteusz, May 12, 2005: WO/2005/042916

A method of running a bore-lining tubing string into a bore comprises running a tubing string, typically a liner string, into a bore while agitating the string. The agitation of the string reduces the friction between the string and the bore wall and thus facilitates the translation of the string in ...


8
Eddison Alan Martyn: Method and device to free stuck objects. Andergauge, Eddison Alan Martyn, MCCALLUM William Potter, March 14, 2002: WO/2002/020940

A method of freeing stuck objects (16) from a bore (14) comprises running a string (12) into the bore (14), the string (12) including a flow modifier (22), such as a valve, for producing variations in the flow of fluid through the string, and a device (26) for location in the string and adapted to a ...


9
Eddison Alan Martyn, Latimer Richard: A method for deforming a tubular member. Andergauge, Eddison Alan Martyn, Latimer Richard, FITZPATRICKS, October 2, 2003: WO/2003/080994

The invention relates to a method for deforming the internal profile of a bore of a tubular member by providing a percussive deformation tool (420) having an external profile for producing a desired profile for the bore then inserting said deformation tool (420) into the bore and striking the deform ...


10
Eddison Alan Martyn: Drilling apparatus. Andergauge, Eddison Alan Martyn, MACDOUGALL Donald Carmichael, December 12, 2002: WO/2002/099242

Drilling apparatus comprises a cutting structure defined by a percussive action cutte (42) and at least one other cutter. The percussive action cutter is adapted to be urged in a drilling direct ion by hydraulic pressure force, while the other cutter (43) is urged in a drilling direction by mechanic ...