| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Ball and plug dropping head | EP06012128.2 | 2002-05-15 | EP1712730B1 | 2010-12-15 | Yokley, John M.; Reimert, Larry E. |
| 182 | COMPLETION ARRANGEMENT | EP08852389.9 | 2008-11-06 | EP2212518A1 | 2010-08-04 | SIMONIAN, Sam; BOYLE, Colin; CARTER, Neale |
| The present invention provides a completion arrangement for a hydrocarbon well bore (12, 20) comprising: a completion section (26) arranged to be coupled to production tubing (22), and having means (200, 206) to allow hydrocarbons to pass therein from reservoir rock (16) in which the well bore is formed, said means (200, 206) also arranged to serve as flushing portals, whereby drilling fluid introduced into said production tubing (22) is arranged to flow via said means (200, 206) into a space (208) between said production tubing (22) and said well bore (12, 20) and circulate in said space (208); the said arrangement further including impacting formations (28), drivingly moveable relative to the well bore (12, 20), wherein one, or both, of said drilling fluid circulating in said space (208) and said impacting formations (28) are arranged to remove obstructing material and formations from the well bore (12, 20), for return to surface by way of said space (208), during insertion of the completion arrangement into the well bore (12, 20). | ||||||
| 183 | DRILL IN SAND CONTROL LINER | EP08798141.1 | 2008-08-19 | EP2191101A1 | 2010-06-02 | RICHARD, Bennett; JOHNSON, Michael, H.; ROSENBLATT, Steve |
| A liner rotates a bit to make more hole. The liner has openings with inserts in them to lend torque resistance to the liner. The inserts have a passage with a send control media in the passage and a seal so that the liner can hold pressure for run in to get proper circulation through the bit. When sufficient hole is made, the liner is hung off an existing cemented tubular and the seal for the passages with the sand control media is removed by a variety of techniques so that the formation can be produced in a single trip. | ||||||
| 184 | METHODS AND DEVICES FOR TREATING MULTIPLE-INTERVAL WELL BORES | EP08736889.0 | 2008-04-02 | EP2145076A1 | 2010-01-20 | EAST, Loyd, E., Jr. |
| Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected productive or previously producing intervals in multiple interval well bores. One example of a method for treating a multiple interval well bore includes the steps of: introducing an isolation assembly to a well bore, the isolation assembly comprising a liner, one or more sleeves and a plurality of swellable packers, wherein the sleeves and swellable packers are disposed about the liner; deploying a shifting tool inside the liner, where the sleeves are configured so as to provide open, closed and open to screen positions when actuated by the shifting tool. An open position allows for treatment of the well bore while an open to screen position allows for receiving fluid from the well bore. A closed position re¬ establishes zonal isolation. | ||||||
| 185 | DOWNHOLE APPARATUS AND METHOD | EP08736927.8 | 2008-04-10 | EP2142756A1 | 2010-01-13 | NUTLEY, Kim; NUTLEY, Brian |
| A downhole apparatus is described comprising a main body coupled with a well tubing and a swellable mantle disposed on the main body. The swellable mantle expands upon contact with at least one predetermined fluid, and the main body comprises at least one opening for fluid flow between an exterior of the main body and the bore. An insert permits the passage of fluid, through the swellable mantle, between the exterior of the apparatus and the opening. In one aspect of the invention a screen filters solids between the exterior of the apparatus and the bore, and a swellable mantle comprises a first region which allows the passage of fluid between the exterior of the apparatus and the main body and a second region, circumferentially adjacent the first region, which substantially prevents passage of fluid. Corresponding well completion and production methods are also described. | ||||||
| 186 | RESERVOIR STIMULATION WHILE RUNNING CASING RELATED APPLICATIONS | EP08719510.3 | 2008-02-28 | EP2118437A2 | 2009-11-18 | CLARK, Brian; BROWN, J. Ernest; THIERCELIN, Marc Jean; SEGAL, Arkady; BRYANT, Ian D.; MILLER, Matthew J.; JOCHEN, Valerie |
| A method for stimulating a reservoir formation while running a casing string into the wellbore includes the steps of: connecting a stimulation assembly to a casing string, the stimulation assembly including a packer actuator in operational connection with a packer and a logging sensor; running the casing string into the wellbore and positioning the logging assembly proximate to a selected reservoir formation; logging the reservoir formation; positioning the stimulation assembly proximate to the reservoir formation; actuating the packer to substantially isolate the reservoir formation from the wellbore; performing the stimulation operation; releasing the packers from sealing engagement with the wellbore; positioning the logging assembly proximate to the reservoir formation; logging the reservoir formation; and disconnecting the stimulation assembly from the casing string. | ||||||
| 187 | Dead string completion assembly with injection system and methods | EP09155508.6 | 2009-03-18 | EP2105578A1 | 2009-09-30 | Bolding, Jeffrey L. |
In some embodiments, apparatus useful for providing fluids or equipment into a subterranean well through a production tubing and associated dead string includes an injection system that is movable into and out of the well without removing the production tubing. The injection system includes a stopper that forms the seal that creates the dead string.
|
||||||
| 188 | METHOD AND APPARATUS FOR DRILLING A BOREHOLE WITH A BOREHOLE LINER | EP04720343.5 | 2004-03-12 | EP1604093B1 | 2009-09-09 | TESSARI, Robert; HOUTCHENS, Bruce, D. |
| A method for drilling a borehole includes; providing a drill string of drill pipe including a center bore, a distal end, a bit assembly at the distal end; hanging a liner from the drill string, thereby forming an annular space between the drill string and the liner and with the bit assembly extending from a lower end of the liner; positioning the drill string with the liner attached thereto in a borehole such that a second annular space is formed between the liner and the borehole wall; operating the bit assembly to proceed with drilling the borehole; and circulating drilling fluid down through the center bore of the drill string out through the bit assembly and down through the second annular space between the liner and the borehole wall, the drilling fluid returning up through the annular space between the drill string and the liner. An apparatus for use in this method is also described. | ||||||
| 189 | System and method for drilling and completing lateral boreholes | EP07122052.9 | 2007-11-30 | EP2065554A1 | 2009-06-03 | Hopkins, Chris; Niina, Nobuyoshi; Bonner, Stephen |
A drilling system for drilling and completing a lateral borehole from a main borehole comprises a liner unit for storing one or more prefabricated liners for installation into the lateral borehole; and a drilling unit operable to drill the lateral borehole into the formation surrounding the main borehole and to install the prefabricated liner in the lateral borehole after drilling. A method of drilling a lateral borehole from a main borehole using such a drilling system comprises positioning the system in the main borehole at a location of interest; operating the drilling unit to drill a lateral borehole from the main borehole; completing the lateral borehole by deploying the liner from the liner unit into the lateral borehole.
|
||||||
| 190 | RE-ENTRY IN MULTILATERAL WELLBORES | EP03780013.3 | 2003-10-31 | EP1563161B1 | 2008-04-09 | BUYTAERT, Jean |
| The invention relates to a method of installing a permanent non-obstructive depth and orientation reference in an open hole allowing drilling of a lateral and re-entry in said lateral or in the main borehole and a device for the implementation of said method. According to the invention the method comprises the following steps: positioning a locating assembly at a pre-determined section of the open hole, below the location of the desired lateral; and securing the positioning of the locating assembly in the open hole by pumping cement or injecting resin into the annular space comprised between the outside wall of said locating assembly and the open hole wall. | ||||||
| 191 | ANNULAR PRESSURE RELIEF COLLAR | EP05701819.4 | 2005-01-07 | EP1718841B1 | 2008-02-27 | McVAY Chester S; SWEATMAN Ronald E |
| The present invention is an apparatus for relieving annular fluid pressure between nested casing strings. The invention includes a pressure relief collar (10) formed of a cylindrical housing (110) and a set of end connections (112) disposed on opposite sides of the cylindrical housing. The end connections join adjacent sections of casing string of the same diameter. A plurality of equally spaced centralizer blades (116) are secured to the outer surface of the cylindrical housing. Each centralizer blade is equipped with a pressure relief mechanism, which opens the passage of fluid from an outer annulus between adjacent casing strings to an inner annulus between different adjacent casing strings and also prevents backflow of fluid. One or more inlet and outlet filters may also be employed to remove solids and other contaminants from the fluid entering the pressure relief mechanism. The invention also has application as a pressure relief collar for eccentric casing strings. | ||||||
| 192 | SCREEN FOR CONTROLLING INFLOW OF SOLID PARTICLES IN A WELLBORE | EP05764062.5 | 2005-06-23 | EP1792049A1 | 2007-06-06 | BAAIJENS, Matheus, Norbertus; CORNELISSEN, Erik Kerst |
| A wellbore screen is provided for controlling inflow of solid particles into a wellbore. The wellbore screen comprises a conduit for transport of fluid, the conduit being provided with a filter for reducing inflow of solid particles into the conduit and swelling means arranged between the filter and the wellbore wall. The swelling means defines a plurality of compartments between the filter and the wellbore wall and is susceptible of swelling against the wellbore wall upon contact with a selected fluid so as to substantially prevent flow of fluid along the outside of the swelling means from one of said compartments into another of said compartments. | ||||||
| 193 | METHOD FOR PREPARING WELLBORE CASING FOR INSTALLATION | EP02732292.4 | 2002-06-13 | EP1399644B1 | 2007-04-04 | SLACK, Maurice, William |
| A method has been invented for enhancing the installability of wellbore casing such as for use to line a borehole through a formation or to act as a drill string and to remain in hole, after drilling, to line the borehole created by its use. A device supporting the installation of wellbore casing into a wellbore is crimped onto the outer surface of the casing. An interference fit is created by plastic deformation inwardly in radial direction. The device supporting casing installation can be to facilitate (1) run in through the borehole (2), to maintain positioning relative to the borehole (3) or to accommodate wear against the wall of the borehole into which the casing is run. The devices supporting the installation of wellbore casing are attached to the casing to create a connection having structurally significant axial and torque load transfer capacity. | ||||||
| 194 | SCREEN FOR CONTROLLING SAND PRODUCTION IN A WELLBORE | EP05754205.2 | 2005-06-23 | EP1759086A1 | 2007-03-07 | BAAIJENS, Matheus Norbertus; CORNELISSEN, Erik Kerst |
| A wellbore screen (1) is provided for controlling inflow of solid particles into a wellbore (2). The wellbore screen comprises a conduit (3) for transporting fluid, an outer layer (4) comprising a filter for reducing inflow of solid particles into the conduit (3), the outer layer extending around the conduit and being radially expandable against the wellbore wall, and swelling means arranged between the conduit and the outer layer. The swelling means (6) is susceptible of swelling upon contact with a selected fluid so as to radially expand the outer layer against the wellbore wall. | ||||||
| 195 | PIPE CENTRALIZER AND METHOD OF ATTACHMENT | EP02729745.6 | 2002-06-13 | EP1399641B1 | 2007-02-21 | SLACK, Maurice, William |
| A crimpable centralizer has been invented for installation on pipe, such as would be useful in well bore drilling and casing operations. The present invention provides a centralizer having a cylindrical body which when coaxially placed over a pipe and substantially radially inwardly displaced at a plurality of points (i.e. crimped) about the circumference of a section of the cylindrical body, attaches to the pipe to create a connection having structurally significant axial and torque load transfer capacity. When crimped according to the methods of the present invention, the load transfer capacity of the connection between the centralizer and the pipe can be arranged to substantially prevent significant relative movement of the centralizer on the pipe under loads that may be encountered when using one or more of the pipes as components of a tubular string used for drilling or completing well bores. | ||||||
| 196 | DEPLOYING AN ASSEMBLY INTO A WELL | EP05730234.1 | 2005-04-26 | EP1743084A2 | 2007-01-17 | FOURAS, James; YOUNG, Joseph |
| Running an isolation device into the well and using the isolation device to form a seal to create a first region of the well isolating the surface of the well from a second higher pressure region of the well, further including running an assembly into the first region and engaging the isolation device with the assembly to remove the seal. After removal of the seal, the isolation device and assembly are run together further into the well. With this technique longer assemblies can be inserted into the well than is possible with possible with the use of a conventional lubricator. | ||||||
| 197 | Liner hanger, running tool and method | EP06012127.4 | 2002-05-15 | EP1712729A3 | 2006-12-27 | Yokley, John M.; Reimert, Larry E. |
A liner hanger running tool (120) includes improvements to the running tool release mechanism, the packoff bushing, and the packer setting assembly. A method is provided for reliably releasing a running tool from a liner hanger (110), for allowing stabbing of the running tool packoff bushing (10) into the top of the liner hanger, and for reliably setting the radial set packer element. The port closure member (212) is movable with a tubular body from a port isolation position to an open port position. The tool includes an annular seal assembly and a substantially conical wedge ring having an outer surface configured to radially expand the annular seal assembly. A ball (240) is lowered into a diverter and thus guided into a pocket (286) in one side thereof to permit passage of a pump down plug (180) into a lower wiper plug (181). A slip assembly carried about a liner for lowering into a wellbore includes a C-ring (64), which expands to-cause its teeth to engage with the wellbore. A plug holder (10) sub temporarily supports a liner wiper plug, so that a pump down plug may land in the liner wiper plug and be supported from a generally tubular body of the plug holder sub.
|
||||||
| 198 | Liner hanger, running tool and method | EP06012130.8 | 2002-05-15 | EP1712732A1 | 2006-10-18 | Yokley, John M.; Reimert, Larry E. |
A liner hanger running tool (120) includes improvements to the running tool release mechanism, the packoff bushing, and the packer setting assembly. A method is provided for reliably releasing a running tool from a liner hanger (110), for allowing stabbing of the running tool packoff bushing (10) into the top of the liner hanger, and for reliably setting the radial set packer element. The port closure member (212) is movable with a tubular body from a port isolation position to an open port position. The tool includes an annular seal assembly and a substantially conical wedge ring having an outer surface configured to radially expand the annular seal assembly. A ball (240) is lowered into a diverter and thus guided into a pocket (286) in one side thereof to permit passage of a pump down plug (180) into a lower wiper plug (181). A slip assembly carried about a liner for lowering into a wellbore includes a C-ring (64), which expands to cause its teeth to engage with the wellbore. A plug holder (10) sub temporarily supports a liner wiper plug, so that a pump down plug may land in the liner wiper plug and be supported from a generally tubular body of the plug holder sub.
|
||||||
| 199 | Liner hanger, running tool and method | EP06012129.0 | 2002-05-15 | EP1712731A1 | 2006-10-18 | Yokley, John M.; Reimert, Larry E. |
A liner hanger running tool (120) includes improvements to the running tool release mechanism, the packoff bushing, and the packer setting assembly. A method is provided for reliably releasing a running tool from a liner hanger (110), for allowing stabbing of the running tool packoff bushing (10) into the top of the liner hanger, and for reliably setting the radial set packer element. The port closure member (212) is movable with a tubular body from a port isolation position to an open port position. The tool includes an annular seal assembly and a substantially conical wedge ring having an outer surface configured to radially expand the annular seal assembly. A ball (240) is lowered into a diverter and thus guided into a pocket (286) in one side thereof to permit passage of a pump down plug (180) into a lower wiper plug (181). A slip assembly carried about a liner for lowering into a wellbore includes a C-ring (64), which expands to cause its teeth to engage with the wellbore. A plug holder (10) sub temporarily supports a liner wiper plug, so that a pump down plug may land in the liner wiper plug and be supported from a generally tubular body of the plug holder sub.
|
||||||
| 200 | DEFORMABLE MEMBER | EP01949651.2 | 2001-07-09 | EP1299616B1 | 2006-10-11 | Moyes, Peter, Barnes |
| There is disclosed a deformable member, in particular for use in a well tool for use in downhole oil/gas wells. In one embodiment, a deformable member (46) is described which is deformable between undeformed and deformed positions, and comprises a generally hollow cylindrical body (48) defining a wall (50). The wall (50) includes three circumferential lines of weakness in the form of grooves, with two grooves (52, 54) provided in an outer surface (56) of the member wall (50), and the other groove (58) provided in an inner surface (60). The member (46) is deformed outwardly by folding about the lines of weakness (52, 54, 56) and is used in particular to obtain sealing contact with a tube in which the member (46) is located. | ||||||
