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| Number | Title | Issue Date |
| 8176976 | Lubricator for use with coiled tubing apparatus and universal rig having coiled tubing and top drive capability A lubricator for use with a coiled tubing injector comprising an elongated housing having a first end and a second end. There is a guide system disposed in the housing for guiding coiled tubing passing through the housing, a first director proximal the first end of ... | 05/15/2012 |
| 8074710 | System for conducting earth borehole operations A system for conducting earth borehole operations comprising a CT carrier, a reel of CT rotatably mounted on the CT carrier, a mast carrier, separate from the CT carrier, a mast mounted on the mast carrier and movable between a lowered position for transport and a p... | 12/13/2011 |
| 8006752 | Guide tube for continuous rod A guide tube for continuous rod has a sections pivotably connected together by at least one translatable pivot. The tube connects to a rig at a fixed pivot and is initially folded on the rig for transport. To unfold and raise the tube for operation, a rig operator p... | 08/30/2011 |
| 7845398 | Apparatus for performing earth borehole operations An apparatus for performing earth borehole operations comprising a base or substructure, a mast mounted on the base, a top drive mounted on the mast for longitudinal movement therealong, the top drive having an opening therethrough and a coiled tubing injector mount... | 12/07/2010 |
| H2250 | Selectably elevatable coiled tubing rig control housed within a water tank A mobile coiled tubing rig for the drilling and workover of wells is designed to have a control room for the coiled tubing rig positioned within a tank at the forward end of the rig during transport. The control room, stored in the empty tank during transit, is sele... | 11/02/2010 |
| 7810555 | Injector apparatus and method of use The invention generally relates to an apparatus and/or a method for moving an round flexible member into and out of a well bore, and particularly, to an injector with two or more gripping members which bind the outer surface of the round flexible member; two or more... | 10/12/2010 |
| 7810554 | System, method and apparatus for conducting earth borehole operations A system for conducting earth borehole operations comprising a CT carrier, a reel of CT rotatably mounted on the CT carrier, a mast carrier, separate from the CT carrier, a mast mounted on the mast carrier and movable between a lowered position for transport and a p... | 10/12/2010 |
| 7779902 | Arm for moving flexible lines at a wellsite A movable arm 10 engages a flexible line 50 at a well site for positioning the flexible line between run-in position for passing the flexible line with a tubular through a well hole in the rig floor and a clamping position wherein the flexible line is ... | 08/24/2010 |
| 7753112 | Fluid production system and method A fluid production system is disclosed. An illustrative embodiment of the fluid production system includes a tubing transport, installation and removal apparatus comprising a trailer having a wheeled trailer frame; a tubing spool carried by the trailer frame; a tubi... | 07/13/2010 |
| 7708057 | Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus A method for inserting a tool into a wellbore includes uncoiling a coiled tubing into the wellbore to a selected depth therein. When the tubing is at the selected depth, the tubing is uncoupled. A tool is inserted into the interior of the tubing. The tubing is recon... | 05/04/2010 |
| 7708058 | Selectably elevatable injector for coiled tubing A selectably elevatable coiled tubing injector is described that is suitable for a mobile self-contained unitized coil tubing rig for the drilling and workover of petroleum wells. The selectably elevatable coiled tubing injector includes a mechanism for positioning ... | 05/04/2010 |
| 7677302 | Spoolable connector A spoolable connector which connects two opposing sections of coil tubing so as to transmit load between one section of coil tubing and another section of coil tubing. The spoolable connector has opposing non-circular grooves into which portions of the sections of c... | 03/16/2010 |
| 7549468 | Coiled tubing injector system A coiled tubing injector system which includes transport trailer components for separate transfer to and from a drilling site. Each component is taken to the site with its own transport tractor, a first component including a coil storage reel and a second component ... | 06/23/2009 |
| 7431092 | Assembly and method for intervention of a subsea well A well assembly for intervention of a subsea well or a well head with a wireline or a coiled tubing connected to a tool or a toolstring and including lubricator and an injector package. The injector package is adapted to inject the wireline or coiled tubing into the... | 10/07/2008 |
| 7410003 | Dual purpose blow out preventer An improved dual purpose blow out preventer (“BOP”) that provides both deployment and wellhead pressure containment functions. The dual purpose BOP may include four sets of rams including a set of seal/slip rams that provide bi-directional sealing being a first ... | 08/12/2008 |
| 7404443 | Compensation system for a jacking frame An offshore oil well platform assembly is provided that includes a jacking frame, which supports a coiled tubing injector, which in turn is connected to a wellhead during a coiled tubing operation; and a compensation system. The compensation system includes a force ... | 07/29/2008 |
| 7383879 | Well string injection system and method A continuous feed injection unit used for example for injection and removal of continuous well string from wells operates in a dual speed configuration. The unit comprises a first hydraulic motor, a second hydraulic motor, cooperating continuous well string gripping... | 06/10/2008 |
| 7347455 | Riser protector A piping riser protector for protectively covering the end portion of a riser assembly that includes a larger diameter central pipe and a plurality of smaller diameter peripheral pipes connected by a flange includes a polymeric body that protectively covers inner an... | 03/25/2008 |
| 7347257 | Aparatus for spooled tubing operations A spooled tubing unit is provided which permits simultaneous translation and rotation of continuous tubing to drill or conduct other downhole operations in a borehole in subterranean formations. ... | 03/25/2008 |
| 7347282 | Steerable soil penetration system A steerable soil penetration system having a steerable penetration head, which compacts and does not cut away the surrounding soil and which is connected to an elongate flexible tubing such that the orientation of the penetration head can be varied relative to the t... | 03/25/2008 |
| 7337519 | Method for producing a coiled tubing connector assembly A coiled tubing connector for connecting tools together when they are inserted into a well bore. The connector includes a disposable element that may be severed along with the connected portion of the coiled tubing. This provides for quick disconnect and reuse of th... | 03/04/2008 |
| 7325600 | Coil tubing hanger and method of using same A coil tubing hanger includes a hanger body having a hanger base with a lower end for connection to a well tree, an upper end for connection of a hanger cap and an internal cylindrical cavity for receiving an annular, externally actuated, pack-off element for select... | 02/05/2008 |
| 7322959 | Balloon catheter with radioopaque marker In order to enhance the flexibility and trackability of a catheter (1) that is particularly adapted for use in delivering a stent (5), the catheter (1) comprises a marker arrangement (7, 8) that includes at least one marker (10, 11... | 01/29/2008 |
| 7318482 | Balanced continuous well string injection unit A continuous well string injection unit and balancing system, in which the continuous well string injection unit is suspended using a sling connected to a pair of suspension points. The balancing system comprises a length-adjustable member connected to the rod injec... | 01/15/2008 |
| 7308934 | Fracturing isolation sleeve An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the... | 12/18/2007 |
| 7290612 | Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore The present invention is directed to an apparatus and method for reverse circulation cementing a casing in an open-hole wellbore. The apparatus includes a surface pack-off device, which has a housing defined by an upper section and lower section. A load bearing plat... | 11/06/2007 |
| 7290621 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 11/06/2007 |
| 7284618 | Method and a device for automated control of coil pipe operations An apparatus and automated control of the apparatus for use in coiled pipe operations is provided. The apparatus includes a mobile rig or trailer that carries a tower having attached thereto a reel of coiled tubing and a standard coiled tubing injector. The tower is... | 10/23/2007 |
| 7281585 | Offshore coiled tubing heave compensation control system An offshore oil well assembly is provided that includes a floating vessel and a coiled tubing injector supported on the floating vessel. A coiled tubing string is movable by the injector into and out of a wellbore. The assembly also includes at least one measurement... | 10/16/2007 |
| 7281588 | Tubular injector apparatus and method of use The invention generally relates to apparatus and methods for moving tubulars into and out of a well bore, and particularly, a tubular injector with two or more gripping members which bind the outer surface of the tubular, two or more actuators which cause the grippi... | 10/16/2007 |
| 7273108 | Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore Apparatus and methods are provided for removing sand and/or other fill material located in a wellbore ahead of a coiled tubing tractor and displacing the material behind the tractor. More particularly, the apparatus and methods of the present invention allow a coile... | 09/25/2007 |
| 7243716 | Heated windable rigid duct for transporting fluids, particularly hydrocarbons Rigid wound or reelable pipe (1) for transporting hydrocarbons having a single-walled or double-walled envelope comprising two coaxial pipes, internal (2) and external (3), respectively, separated by an annular space, comprising at least one ele... | 07/17/2007 |
| 7240726 | Elevating operator cabin for coiled tubing injector A transportable, elevating operator cabin for use in connection with controlling coiled tubing injection equipment comprises a cabin including control elements; an elongated flexible element of fixed length, such as a belt or chain, extending under the cabin, betwee... | 07/10/2007 |
| 7219739 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 05/22/2007 |
| 7216703 | Method and apparatus for testing and treatment of a completed well with production tubing in place A method and apparatus is used to test and/or treat individual production zones of a well in conjunction with a conventional coiled tubing unit. This method and apparatus allows testing and treatment of a well with production tubing in place. The return flowpath for... | 05/15/2007 |
| 7207389 | Hybrid coiled tubing/fluid pumping unit Method and apparatus for servicing of a bore hole in the earth, comprising a first sub-assembly adapted for the insertion and removal of a continuous length of coiled tubing into and from the bore hole, a second sub-assembly adapted for the vaporization of liquified... | 04/24/2007 |
| 7204304 | Removable surface pack-off device for reverse cementing applications A removable surface pack-off device adapted for use in reverse cementing applications is provided. The device includes a housing adapted to be mounted between the ends of an inner casing and an outer casing at or near the surface of a well and at least one fluid pas... | 04/17/2007 |
| 7201233 | Arm for moving flexible lines at a well site A movable arm 10 engages a flexible line 50 at a well site for positioning the flexible line between run-in position for passing the flexible line with a tubular through a well hole in the rig floor and a clamping position wherein the flexible line is ... | 04/10/2007 |
| 7191839 | Drilling rig apparatus and downhole tool assembly system and method A drilling rig is provided which is adapted to selectively drill using coiled tubing and jointed-pipe. The rig includes a base, a mast, a top drive slidably mounted to said mast for performing jointed-pipe operations, and a tubing injector for performing coiled tubi... | 03/20/2007 |
| RE39509 | Top entry sub arrangement A top entry sub (ES) includes a tubular member (TM) with a main body section (8) and an enlarged external diameter upper end portion (11). A single passage (15) extends through the main body section (8) and terminates in a pair of spaced ... | 03/13/2007 |
