序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
241 Gas-well capper and casing puller US47408521 1921-06-01 US1442638A 1923-01-16 BAXLEY THOMAS A
242 Well-capping device US1323660D US1323660A 1919-12-02
243 Gravel Packing System and Method US15631977 2017-06-23 US20180371879A1 2018-12-27 Robert John Turner; Brian A. Roth
A gravel pack tool for use in a well including a base pipe selectively deployed in the well that defines an outer annulus between the base pipe and an inner wall of the well, a dissolvable plug in a side wall of the base pipe, and tubing positioned within the base pipe that is in selective communication with a source of a bead forming fluid. When the bead forming fluid flows through the tubular and into the well, compounds in the bead forming fluid react to form beads within the outer annulus. The beads collect along a screen that circumscribes the base pipe and define a gravel pack which through which formation fluid is directed prior to entering production tubing in the wellbore.
244 Simplified Packer Penetrator and Method of Installation US15778765 2016-11-25 US20180347287A1 2018-12-06 Tod D Emerson; Jim Williams; Elizabeth McClain
A packer penetrator assembly comprised of a proximal mandrel, an intermediate mandrel and a distal mandrel that can be quickly and efficiently assembled while preventing the migration of gases or fluids up the ESP cable through a well bore packer. These ESP cables can be spliced to power cables passing through a wellbore packer, a sealed electrical connection at a packer assembly. The packer penetrator also offers an adaptive or male to female crossover assembly that allows use of power cables of differing diameters and styles to be joined.
245 Lifting device and method US15072115 2016-03-16 US09976362B2 2018-05-22 Shazam Rahim; Steven Dale Ables
A hydraulic lifting apparatus and a method is described that raises and lowers caps, such as night caps, lift caps, and other similar items, about a cap sub engaged to a wellhead. The apparatus includes a cap sub, vertical support member, a horizontal support member, a base member, and a hydraulic cylinder. The lifting device is attached to a wellhead assembly through a cap sub. The base member is attached to the cap sub through an enlarged ring. The base member also includes an elongated projected portion. The vertical support member is rotatably retained within a bore in the elongated projected portion. The proximal end of horizontal support member is connected to the upper end of the vertical support member. The hydraulic cylinder, which includes a hydraulic head and a hydraulic piston, is connected to the distal end of the horizontal support member. The vertical support member is capable of being rotated about the base member. The hydraulic cylinder is actuated to raise or lower a cap onto a cap sub, which is removably attached to a wellhead assembly. The vertical support member may be locked into place in a cap-engagement position or a non-cap engagement position through use of a spring-loaded locking pin which is inserted into a locking bracket on the vertical support member and into a recess on the base member.
246 Lockdown for high pressure wellhead US14994877 2016-01-13 US09951576B2 2018-04-24 Henry Anthony Bergeron
A lockdown tool for locking down a high pressure wellhead with a conductor wellhead housing includes a housing that includes a conductor wellhead housing facing surface designed to come in contact with a conductor wellhead housing positioned at or near a seafloor. The housing further includes a lockdown mechanism facing surface designed to come in contact with a lockdown mechanism that is between the conductor wellhead housing and a high pressure wellhead seated in the conductor wellhead housing. The housing also includes a wellhead facing surface having a profile that matches a profile of the high pressure wellhead formed on an outer surface of the high pressure wellhead. The lockdown tool further includes a piston positioned in a cavity of the housing and a hydraulic pressure port extending through a wall of the housing for applying hydraulic pressure by an external hydraulic pressure source into the cavity of the housing.
247 HYDRAULIC TOOL US15620697 2017-06-12 US20170370177A1 2017-12-28 Dennis P. Nguyen
A system including a hydraulic tool configured to energize a lock ring system and a seal assembly with a hydraulic fluid, wherein the hydraulic tool including a hydraulic body configured to couple to a hydraulic fluid source, a first piston configured to move axially with respect to the hydraulic body to energize the seal assembly, and a second piston configured to move axially with respect to the hydraulic body to energize the lock ring system, wherein the first and second pistons are simultaneously exposed to the hydraulic fluid in an opening in the hydraulic body.
248 Mat for Wellhead Cellar US15157002 2016-05-17 US20170335648A1 2017-11-23 Mohammad Saud Al-Badran
A system and method for covering a cellar at a wellhead to prevent and control fluids and gases from the cellar. The covering includes a mat that circumscribes a wellhead tubular that projects upward from the cellar. A split seam in the mat extends radially from the opening to the mat outer periphery which allows the mat to be placed around the wellhead tubular. A fastener joins the ends of the mat that meet at the split seam. The mat includes a collar, which mounts to the mat along the opening and extends axially away from an upper surface of the mat. The collar is secured to the wellhead tabular with a strap. Two discharge lines project through the mat into the cellar, one for pumping into the cellar, and one for withdrawing fluid that has collected in the cellar.
249 WELL CASING SECURITY DEVICE US15143655 2016-05-02 US20170314356A1 2017-11-02 Gerald T. Whitmer; B. Lee Snyder
A well casing security device and method. The security device includes a cover including a sidewall, a top, one or more stabilizers, and a means for attaching the cover to a well casing or to its concrete slab to render it vandal-resistant. A locking support ring is provided for attachment to either the well casing or to the concrete slab surrounding the casing. The locking support ring includes a ring body with a plurality of braces. Each of the braces includes an arm defining a slot between the arm and the ring body. The cover includes a plurality of brackets enabling rotational engagement cover with the locking support ring. Locking means are provided on the cover to lock the cover to the locking support ring. The locking means includes a key operated lock that is tamper resistant and insures that the well casing cannot be accessed easily by an intruder.
250 Wellbore fluids comprising hydrated inorganic oxide materials and associated methods US14380321 2013-10-22 US09797213B2 2017-10-24 Matthew L. Miller; Robert J. Murphy; Kay Ann Galindo
A hydrated inorganic oxide material capable of elongating from a planar shape to a fiber shape along a thickness direction of the planar shape, wherein the fiber shape is at least about 25 times greater in the thickness direction than the planar shape, and wherein during elongating a radial dimension of the hydrated inorganic oxide material changes by less than about 10% may be useful in a plurality of wellbore operations. For example, a method may include introducing a wellbore fluid comprising an aqueous base fluid and a hydrated inorganic oxide material into a wellbore penetrating a subterranean formation; and swelling the hydrated inorganic oxide material by contacting the hydrated inorganic oxide material with a polar amine compound such that the hydrated inorganic oxide material elongates from a planar shape to a fiber shape along a thickness direction of the planar shape.
251 Apparatus and methods for mechanically coupling a sealing system around the opening to cellar formed around a hydrocarbon exploration or production well US14666584 2015-03-24 US09790758B2 2017-10-17 Aaron William Dugas; Kenneth Edward Durio; James Kerwin McDowell; Randy Paul Bordelon; Richard Lamar Edwards, Jr.
Apparatus useful for providing a liquid-tight seal around cellar formed around a hydrocarbon exploration or production well includes a reusable load-supporting surface having at least two mats surrounding and spaced-away from the borehole opening. At least one spanner is configured to extend between the cellar wall and mats. At least one elongated spanner support is used to mechanically couple one or more spanners to the cellar wall. At least one elongated lip support is used to mechanically couple one or more spanners to the mats.
252 Computational model for tracking ball sealers in a wellbore US14427201 2014-05-02 US09670769B2 2017-06-06 Srinath Madasu; Avi Lin
In accordance with some embodiments of the present disclosure, a method of computational modeling for tracking ball sealers in a wellbore is disclosed. The method may include, for a time step, calculating a number of ball sealers to inject into a wellbore, injecting the ball sealers, determining a length of the wellbore occupied by a fluid, and computing a spacing between each ball sealer in the length of the wellbore occupied by the fluid. The method may include calculating a first position of a ball sealer, determining a velocity the ball sealer, and computing a second position of the ball sealer. The method may include recording a number of active ball sealers and open perforations in the wellbore, calculating a ball sealer skin per division, and determining a fluid flow rate. The method may include selecting parameters for a stimulation operation in the wellbore based on the fluid flow rate.
253 DRILL WASH DEVICE WITH PRE-MOUNTED EXCHANGE INSERT US14883795 2015-10-15 US20170122054A1 2017-05-04 Michael Glawion; Klaus Lang; Jens Hofmann; Rolf Johannes
The present invention relates to a drill wash device (100), the drill wash device comprising a stationary washpipe (102), a rotating washpipe (103), a pre-mounted, replaceable exchange insert (1) for connecting the stationary washpipe (102) to the rotating washpipe (103), the exchange insert (1) comprising a mechanical seal assembly with a stationary seal ring (20) and a rotating seal ring (21), and a first adapter (108) which is arranged between the stationary washpipe (102) and the exchange insert (1), wherein the first adapter (108) comprises a first adjusting mechanism (116) operative in axial direction for changing an axial length of the first adapter (108), and wherein the exchange insert (1) comprises a second adjusting mechanism (6) operative in axial direction for changing an axial length of the exchange insert (1).
254 WELLBORE FLUIDS COMPRISING HYDRATED INORGANIC OXIDE MATERIALS AND ASSOCIATED METHODS US14380321 2013-10-22 US20160237772A1 2016-08-18 Matthew L. Miller; Robert J. Murphy; Kay Galindo
A hydrated inorganic oxide material capable of elongating from a planar shape to a fiber shape along a thickness direction of the planar shape, wherein the fiber shape is at least about 25 times greater in the thickness direction than the planar shape, and wherein during elongating a radial dimension of the hydrated inorganic oxide material changes by less than about 10% may be useful in a plurality of wellbore operations. For example, a method may include introducing a wellbore fluid comprising an aqueous base fluid and a hydrated inorganic oxide material into a wellbore penetrating a subterranean formation; and swelling the hydrated inorganic oxide material by contacting the hydrated inorganic oxide material with a polar amine compound such that the hydrated inorganic oxide material elongates from a planar shape to a fiber shape along a thickness direction of the planar shape.
255 Offshore universal riser system US14491469 2014-09-19 US09376870B2 2016-06-28 Charles R. Orbell; Christian Leuchtenberg; Craig W. Godfrey
An offshore universal riser system. A riser system includes a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string. An anchoring device releasably secures the valve module in the flow passage. A method of constructing a riser system includes the steps of installing the valve module in the flow passage, and installing at least one annular seal module in the flow passage. The annular seal module is operative to prevent fluid flow through an annular space between the riser string and a tubular string positioned in the flow passage. Drilling methods include injecting relatively low density fluid compositions into the annular space, and selectively varying a restriction to flow through a subsea choke in a drilling fluid return line. The riser string, including housings for the various modules and external control systems, is dimensioned for installation through a rotary table.
256 Computational Model for Tracking Ball Sealers in a Wellbore US14427201 2014-05-02 US20160130933A1 2016-05-12 Srinath Madasu; Avi Lin
In accordance with some embodiments of the present disclosure, a method of computational modeling for tracking ball scalers in a wellbore is disclosed. The method may include, for a time step, calculating a number of ball sealers to inject into a wellbore, injecting the ball sealers, determining a length of the wellbore occupied by a fluid, and computing a spacing between each ball sealer in the length of the wellbore occupied by the fluid. The method may include calculating a first position of a ball sealer, determining a velocity the ball sealer, and computing a second position of the ball sealer. The method may include recording a number of active ball sealers and open perforations in the wellbore, calculating a ball sealer skin per division, and determining a fluid flow rate. The method may include selecting parameters for a stimulation operation in the wellbore based on the fluid flow rate.
257 Gas guzzler US13803940 2013-03-14 US09328588B2 2016-05-03 James L. Loveland
A device for directing hazardous gases away from a pipe that is emitting the gases, the device including a split column having a first opening and a second opening at opposing ends of the split column, the split column further including a split that passes through the tubular section and that extends from the first opening to the second opening and a third opening in the split column that is located between the first opening and the second opening.
258 Well cap assembly US13815156 2013-02-05 US09316082B2 2016-04-19 Christopher Nielsen
A cap assembly for sealing the open end of a well casing or other pipe includes a top plate for mounting on the open end of the pipe, a bottom plate spaced apart from the top plate, an upper expansible gasket sandwiched between the top plate and an upper clamping plate, a lower expansible gasket sandwiched between the bottom plate and a lower clamping plate, spacer sleeves extending between the clamping plates, bolts through the bottom plate, both gaskets and clamping plates, the sleeves and the top plate, and nuts on the bolts. When the bolts are tightened on the nuts, the gaskets expand to seal the pipe at spaced apart locations.
259 APPARATUS & METHODS FOR MECHANICALLY COUPLING A SEALING SYSTEM AROUND THE OPENING TO AN UNDERGROUND BOREHOLE US14666584 2015-03-24 US20160090806A1 2016-03-31 Aaron William Dugas; Kenneth Edward Durio; James Kerwin McDowell; Randy Paul Bordelon; Richard Lamar Edwards, JR.
Apparatus useful for providing a liquid-tight seal around an opening formed in the earth's surface includes a reusable load-supporting surface having at least two sealingly interconnected mats surrounding and spaced-away from the borehole opening. At least one flexible, planar spanner is configured to extend between the borehole wall and mats. At least one elongated spanner support is used to mechanically couple one or more spanners to the borehole wall. At least one elongated lip support is used to mechanically couple one or more spanners to the mats.
260 ELECTRONICALLY MONITORING DRILLING CONDITIONS OF A ROTATING CONTROL DEVICE DURING DRILLING OPERATIONS US14646497 2013-11-21 US20150308253A1 2015-10-29 Owen Ransom Clark; Tristan Lloyd Jesse; Anton Kelley Arnt; Raymond Bullock
In accordance with some embodiments of the present disclosure, a drilling system comprises a rotating control device (RCD). A plurality of sensors included in or in proximity to the RCD are configured to detect drilling conditions associated with the RCD during a drilling operation. A control system is configured to determine an adjustment to a drilling parameter based on the drilling conditions.
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