Patent application number | Description | Published |
20100155067 | Systems and methods for using a passageway through subterranean strata - Systems and methods usable to urge a passageway through subterranean strata, place protective lining conduit strings between the subterranean strata and the wall of said passageway without removing the urging apparatus from said passageway, and target deeper subterranean strata formations than is normally the practice for placement of said protective lining conduit strings by providing apparatuses for reducing the particle size of rock debris to generate lost circulation material to inhibit the initiation or propagation of subterranean strata fractures. | 06-24-2010 |
20110000668 | Through tubing cable rotary system - Apparatus for performing rotary or cutting operations in a subterranean borehole or conduit, particularly sealing operations, comprises a downhole assembly connected to a cable. The downhole assembly comprising at least one of a rotary tool coupled to an electric motor or fluid motor, a rotary tool coupled to a fluid motor, or an axial cutting tool coupled to a piston. The fluid motor or piston is operated by differential fluid pressure created within the bore. Methods of sealing a subterranean borehole are also provided, in which one or more cuts are made with a cutting assembly in one or more conduits to remove at least a portion of a conduit and concrete is deposited in the resulting space. The space is free of debris, which could otherwise form leakage paths in the concrete seal. In a variant the space is created with a downhole crushing apparatus. | 01-06-2011 |
20110146998 | Methods for using or removing unused rock debris from a passageway through subterranean strata using rock breaking apparatus - A method for using or removing unused rock debris from a bored passageway through subterranean strata using at least one rock breaking apparatus engaged with a conduit string and placed within the subterranean passageway proximal region, using a member adapted to increase the volume of reduced particle size rock debris generated by increasing the frequency of impact and associated breakage of the rock debris inventory, per revolution of the conduit string and/or per volume of fluid slurry circulated. The used volume of rock debris inventory coats the unlined strata wall of said passageway to inhibit strata fracture initiation or propagation, and the unused rock debris inventory is urged from the passageway at an increased rate by the associated reduction in fluid slurry suspension or velocities needed to urge the rock debris through the unlined strata passageway of improved pressure integrity from inhibiting said initiation or propagation of strata fractures. | 06-23-2011 |
20110206459 | Appatus and methods for forming and using subterranean salt cavern - Apparatus for solution mining and gas storage in a salt cavern formed by solution mining comprises a flow diverting conduit string is provided in fluid communication with two or more concentric conduits within the single main bore, with at least one lateral opening from an internal passageway with an outer annular passageway communicating with the surface under a single valve tree. Flow control devices, flow diverters and/or isolation conduits can be inserted into the flow diverting conduit string, enabling a dissolution zone in the salt cavern to be varied to control the shape of the cavern. Furthermore the flow diverting conduit string used to form the cavern can also be used for dewatering and gas storage. | 08-25-2011 |
20130043031 | MANIFOLD STRING FOR SELECTIVITY CONTROLLING FLOWING FLUID STREAMS OF VARYING VELOCITIES IN WELLS FROM A SINGLE MAIN BORE - A set of manifold string members usable to selectively control separate flowing fluid streams of varying velocities for operations of well construction, injection or production of fluid mixtures of liquids, gases and/or solids, that can be injected into, or taken from, one or more proximal regions of a subterranean passageway, underground cavern, hydrocarbon or geothermal reservoir. Fluid communicated through a manifold string radial passageway of a manifold crossover, between conduit strings and at least one other conduit, can be controlled with at least one flow controlling member, communicating with a passageway member from an innermost, concentric, and/or annular passageway. Fluid communication can be selectively controlled for various configurations of one or more substantially hydrocarbon and/or substantially water wells, below a single main bore and wellhead. | 02-21-2013 |
20130068473 | PRESSURE CONTROLLED WELL CONSTRUCTION AND OPERATION SYSTEMS AND METHODS USABLE FOR HYDROCARBON OPERATIONS, STORAGE AND SOLUTION MINING - Apparatus and methods for fluidly communicating between conduit strings and wells through crossovers forming a subterranean manifold string, usable for pressure contained underground hydrocarbon operations, storage and solution mining. Concentric conduits enable fluid communication with one or more subterranean regions through an innermost passageway usable for communicating fluids and devices engagable with a receptacle of the manifold. A wall of the manifold string and/or a selectively placed fluid control device diverts fluid mixture flow streams from one passageway to another radially disposed inward or outward passageway to selectively control pressurized fluid communication, thereby forming a plurality of pressure bathers. The pressure bathers can be used to selectively communicate fluid mixtures to and from a reservoir for hydrocarbon operations, solution mining, and/or control of a storage cushion space during such operations. | 03-21-2013 |
20130306324 | SYSTEMS AND METHODS FOR OPERATING A PLURALITY OF WELLS THROUGH A SINGLE BORE - Systems and methods usable to operate on a plurality of wells through a single main bore are disclosed herein. One or more chamber junctions are provided in fluid communication with one or more conduits within the single main bore. Each chamber junction includes a first orifice communicating with the surface through the main bore, and one or more additional orifices in fluid communication with individual wells of the plurality of wells. Through the chamber junctions, each of the wells can be individually or simultaneously accessed. A bore selection tool having an upper opening and at least one lower opening can be inserted into the chamber junction such that the one or more lower openings align with orifices in the chamber junction, enabling selected individual or multiple wells to be accessed through the bore selection tool while other wells are isolated from the chamber junction. | 11-21-2013 |
20140311741 | SPACE PROVISION SYSTEM USING COMPRESSION DEVICES FOR THE REALLOCATION OF RESOURCED TO NEW TECHNOLOGY, BROWNFIELD AND GREENFIELD DEVELOPMENTS - Method and system of providing or enabling cap rock restoration of at least a portion of a producible zone of a subterranean well by placing and supporting at least one cement equivalent well barrier member within an operable usable space, formed by at least one cable operable and rig-less string operable, annulus engagable member, comprising cable and rig-less string conveyable components that are conveyed through an innermost passageway and downward from a wellhead and using energy, conductible through said rig-less string or through movable fluid of a circulatable fluid column, to operate or access at least one annulus from said innermost passageway and displace at least one portion of a wall of at least one conduit about said innermost passageway, to provide at least one cement equivalent well barrier. | 10-23-2014 |
20150021018 | High Pressure Large Bore Well Conduit System - Well conduit system and methods using a first outer conduit wall and at least one second inner conduit wall positioned through a wellhead to define an annulus with radial loading surfaces extending across the annulus and radially between at least two of the conduit walls to form passageways through subterranean strata concentrically, wherein an inner pipe body of greater outer diameter is inserted into an outer pipe body of lesser inner diameter by elastically expanding the circumference of the outer pipe body and elastically compressing the circumference of the inner pipe body, using a hoop force exerted therebetween. Releasing the hoop force after insertion will release the elastic expansion and compression of the pipe bodies to abut the radial loading surfaces within the annulus for sharing elastic hoop stress resistance and thereby forming a greater effective wall thickness, capable of containing higher pressures than the conduit walls could otherwise bear. | 01-22-2015 |
20150034311 | Apparatus And Method Of Concentric Cement Bonding Operations Before And After Cementation - Method and apparatus for deploying at least one repeatable signal to empirically measure cement bonding before and after operating a tool string assembly comprising a selectively arrangeable tool assembly of a downhole drive tool usable for operating a downhole placement tool with shaft and axial displacement member extendable and retractable therefrom to radially deploy and operate at least one conduit and downhole coupling tool for placing cement and at least one inner conduit proximally concentrically within a surrounding bore, wherein said drive coupling tool is further usable for transmitting or receiving, through a conductance well element into a memory tool, to measure cement bonding about said surrounding bore before and after concentrically cleaning and coupling cement to at least one conduit and surrounding bore. | 02-05-2015 |