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公开(公告)号：EP1641997A1
公开(公告)日：2006-04-05
申请号：EP04755668.3
申请日：2004-06-18
IPC分类号： E21B4/14
CPC分类号： E21B4/14
摘要： A fluid channeling device is for a percussive drill including a casing having an interior space, drive and valve chambers defined within the interior space, a piston disposed within the casing and having an upper end disposable within the drive chamber and a longitudinal through-bore, and a valve for controlling flow into the drive chamber. The device includes a first member partially disposed within the drive chamber so as to extend into the piston bore when the piston end is within the drive chamber. The first member has an outer surface, an interior space and one or more ports extending between the outer surface and interior space and fluidly connectable with the drive chamber. A second member is disposed within the first member interior and has a passage fluidly connected with the valve chamber and fluidly connectable with the port(s) to establish fluid communication between the drive and valve chambers.
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公开(公告)号：EP0580779B1
公开(公告)日：1995-03-01
申请号：EP92911809.9
申请日：1992-04-16
CPC分类号： F16D41/206 , B25D16/003 , E21B6/06
摘要： A clutch assembly (16) transmits rotary motion in a percussive apparatus (10) to a drill steel. The clutch assembly (16) includes a first hub (18) having a first cylindrical surface (24) formed thereon. A second hub (20) which is substantially rotationally coupled to the drill steel, has a second cylindrical surface (26) formed thereon. The second cylindrical surface (26) is coaxial with the first cylindrical surface (24). A wrap spring (17) engages a portion of both the first cylindrical surface (24) and the second cylindrical surface (26), wherein relative rotary motion between the first hub (18) and the second hub (20) is permitted in a first direction and restricted in a second direction. The wrap spring clutch (16) transmits motion supplied from a rifle bar assembly as well as a plunger bar arrangement.
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公开(公告)号：EP1451437B1
公开(公告)日：2006-08-09
申请号：EP02803231.6
申请日：2002-11-14
发明人： LYON, Leland, H.
IPC分类号： E21B4/14
CPC分类号： E21B4/14
摘要： A fluid distributor device is for a percussive drill assembly including a generally tubular casing (2) having a longitudinal centerline and a piston (6) disposed within the casing so as to define a reservoir chamber (27) in the casing. The distributor device comprises a generally cylindrical body (12) disposed within the casing and including a central axis, two opposing ends spaced apart along the axis, first and second interior chambers and a port fluidly connecting the two chambers. The body further has a plurality of fluid passages extending between the two ends and fluidly connecting the first chamber with the reservoir chamber and a deflectable retainer portion (16) releasably engaged with the casing so as to retain the body at a desired position with respect to the casing centerline. A valve (7) is disposed within the body and is configured to permit fluid flow through the port and to alternatively prevent fluid flow through the port.
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公开(公告)号：EP0868594B1
公开(公告)日：2000-01-19
申请号：EP96940846.7
申请日：1996-11-22
发明人： LYON, Leland, H.
IPC分类号： E21B21/00
CPC分类号： E21B21/002
摘要： A device for use within the backhead of a down hole percussive drill, for removing debris from a drillhole, includes a flow control member in the drill backhead for inducing cyclonic flow of percussive fluid, to concentrate the heavier water and other matter away from the lighter percussive gases, a separator in the backhead that separates the water and other matter, passageways in the backhead for ejecting the separated water and other matter, a sealing member for sealing the backhead passageways against back flow of debris from the drillhole annulus, and an indexing member for positioning the separator so as to permit a pre-selection of flow amounts of removed water and other matter.
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公开(公告)号：EP0605562A1
公开(公告)日：1994-07-13
申请号：EP92920320.0
申请日：1992-09-16
CPC分类号： E21B4/14 , E21B21/002 , E21B21/103 , E21B21/14
摘要： Dispositif (3) et procédé permettant de retirer les débris d'un trou de forage (1), et consistant à placer un séparateur dans une position adjacente à une tête de forage à percussion du type "au fond du trou", afin d'enlever l'eau et autres matériaux du fluide de percussion avant qu'ils n'entrent dans la tête de forage. L'eau et le autres matériaux sont éjectés dans le trou de forage afin de retirer les débris, et on empêche le retour des débris et d'eau dans le séparateur et la tête de forage pendant les périodes d'interruption de l'écoulement de fluide de percussion.
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公开(公告)号：EP1641997B1
公开(公告)日：2007-08-22
申请号：EP04755668.3
申请日：2004-06-18
IPC分类号： E21B4/14
CPC分类号： E21B4/14
摘要： A fluid channeling device is for a percussive drill including a casing having an interior space, drive and valve chambers defined within the interior space, a piston disposed within the casing and having an upper end disposable within the drive chamber and a longitudinal through-bore, and a valve for controlling flow into the drive chamber. The device includes a first member partially disposed within the drive chamber so as to extend into the piston bore when the piston end is within the drive chamber. The first member has an outer surface, an interior space and one or more ports extending between the outer surface and interior space and fluidly connectable with the drive chamber. A second member is disposed within the first member interior and has a passage fluidly connected with the valve chamber and fluidly connectable with the port(s) to establish fluid communication between the drive and valve chambers.
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公开(公告)号：EP0682737B1
公开(公告)日：2000-11-08
申请号：EP94907416.5
申请日：1994-02-03
发明人： LAY, Warren, T. , LYON, Leland, H.
CPC分类号： E21B4/14
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公开(公告)号：EP0605562B1
公开(公告)日：1997-01-22
申请号：EP92920320.6
申请日：1992-09-16
CPC分类号： E21B4/14 , E21B21/002 , E21B21/103 , E21B21/14
摘要： A device (3) and method for removing debris from a drillhole (1), includes positioning a separator adjacent to a down-the-hole percussive drillhead, for removing water and other matter from the percussive fluid prior to the percussive fluid entering the drillhead. The water and other matter are ejected into the drillhole to remove the debris, and backflow of debris and water into the separator and drillhead is prevented, during periods when the percussive fluid flow ceases.
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公开(公告)号：EP1451437A1
公开(公告)日：2004-09-01
申请号：EP02803231.6
申请日：2002-11-14
发明人： LYON, Leland, H.
IPC分类号： E21B4/14
CPC分类号： E21B4/14
摘要： A fluid distributor device is for a percussive drill assembly including a generally tubular casing (2) having a longitudinal centerline and a piston (6) disposed within the casing so as to define a reservoir chamber (27) in the casing. The distributor device comprises a generally cylindrical body (12) disposed within the casing and including a central axis, two opposing ends spaced apart along the axis, first and second interior chambers and a port fluidly connecting the two chambers. The body further has a plurality of fluid passages extending between the two ends and fluidly connecting the first chamber with the reservoir chamber and a deflectable retainer portion (16) releasably engaged with the casing so as to retain the body at a desired position with respect to the casing centerline. A valve (7) is disposed within the body and is configured to permit fluid flow through the port and to alternatively prevent fluid flow through the port.
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公开(公告)号：EP0868594A1
公开(公告)日：1998-10-07
申请号：EP96940846.0
申请日：1996-11-22
发明人： LYON, Leland, H.
IPC分类号： E21B21
CPC分类号： E21B21/002
摘要： A device for use within the backhead of a down hole percussive drill, for removing debris from a drillhole, includes a flow control member in the drill backhead for inducing cyclonic flow of percussive fluid, to concentrate the heavier water and other matter away from the lighter percussive gases, a separator in the backhead that separates the water and other matter, passageways in the backhead for ejecting the separated water and other matter, a sealing member for sealing the backhead passageways against back flow of debris from the drillhole annulus, and an indexing member for positioning the separator so as to permit a pre-selection of flow amounts of removed water and other matter.
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