Class / Patent application number | Description | Number of patent applications / Date published |
166050000 | WELLS WITH LATERAL CONDUITS | 17 |
20080236808 | Wellbore System - A wellbore system is provided for the production of hydrocarbon fluid from a hydrocarbon fluid reservoir ( | 10-02-2008 |
20090008078 | FLOW CONTROL ASSEMBLY HAVING A FIXED FLOW CONTROL DEVICE AND AN ADJUSTABLE FLOW CONTROL DEVICE - An apparatus for use in a well includes a flow control assembly to control fluid flow in a first zone of the well, where the flow control assembly has a fixed flow control device and an adjustable flow control device that cooperate to control the fluid flow in the first zone. | 01-08-2009 |
20090044936 | Horizontal Filter Well System And Method Of Operating Same - A method of operating a horizontal filter well. Water is transported into a well from at least one roughly horizontally arranged train and distributed further from there. Pressurized water is forced through the horizontal filter train in the reverse flow direction, as a means to free the horizontal filter train of blockages. The pressurized water exits through the inlet orifices of the horizontal filter train and passes into the aquifer. A vertical well provided in the vicinity of the horizontal filter train suctions off the water exiting from the horizontal filter train, along with impurities removed from the horizontal filter train. | 02-19-2009 |
20090084534 | Method and system for accessing subterranean deposits from the surface and tools therefor - According to one embodiment, a system for accessing a subterranean zone from the surface includes a well bore extending from the surface to the subterranean zone, and a well bore pattern connected to the junction and operable to drain fluid from a region of the subterranean zone to the junction. | 04-02-2009 |
20090255661 | SYSTEM AND METHOD FOR DRILLING MULTILATERAL WELLS USING MAGNETIC RANGING WHILE DRILLING - Systems and methods for drilling a multilateral well using magnetic ranging while drilling are provided. In accordance with one embodiment, a method of drilling a multilateral well includes drilling and casing a mother wellbore, installing a multilateral junction, drilling and casing a first lateral well from the multilateral junction, and drilling a second lateral well from the multilateral junction using magnetic ranging while drilling such that the second lateral well has a controlled relationship relative to the first lateral well. The first and second lateral wells may form a SAGD well pair, in which case the first lateral well may be a producer well and the second lateral well may be an injector well. | 10-15-2009 |
20090277623 | DUAL PACKER FOR A HORIZONTAL WELL - A dual packer for at least partially defining a production zone in a wellbore, the dual packer including a packer body having an up-hole side and a down-hole side. A first through bore and a second through bore each extend through the packer body from the up-hole side to the down-hole side. A first piping extends from the down-hole side of the first through bore and includes a perforated sub adjacent the down-hole side of the packer body. A second piping extends from the down-hole side of the second through bore and is communicably connected to the first piping down-hole of the first perforated sub. | 11-12-2009 |
20090288817 | CASING EXIT JOINT WITH EASILY MILLED, LOW DENSITY BARRIER - A casing exit joint with an easily milled and low density barrier. A casing exit joint for use in drilling a lateral wellbore outwardly from a parent wellbore includes a generally tubular window structure having a window formed through a sidewall of the structure. An outer sleeve is disposed external to the window structure, so that the sleeve overlies the window. A hardenable substance supports the sleeve against deflection toward the window. A method of drilling a lateral wellbore extending outwardly from a parent wellbore includes the steps of: providing a casing exit joint including a hardenable substance positioned in a sidewall of the casing exit joint; then installing the casing exit joint in the parent wellbore; and then cutting through the hardenable substance in order to provide access for drilling the lateral wellbore. | 11-26-2009 |
20090301704 | Recovery of Hydrocarbons Using Horizontal Wells - A method of drilling a wellbore useful for the recovery of hydrocarbons from a subsurface reservoir, penetrated by one or more wellbores previously injected with steam, comprises drilling a wellbore having a substantially horizontal productive portion lying within the subsurface reservoir. | 12-10-2009 |
20100101772 | COMMUNICATION SYSTEM AND METHOD IN A MULTILATERAL WELL USING AN ELECTROMAGNETIC FIELD GENERATOR - To perform communications in a multilateral well, a first communication unit having an electromagnetic (EM) field generating element is provided to generate an EM field in a formation between a main bore and a lateral bore of the multilateral well. The EM field generating element includes a component creating a voltage difference along the wellbore. A second communication unit is for positioning in one of the main bore and lateral bore to receive the EM field propagated through the formation between the main bore and the lateral bore. | 04-29-2010 |
20110198071 | PROCESS FOR INSITU TREATMENT OF SOIL AND GROUNDWATER - A process for insitu treatment of at least one contaminant in a groundwater plume, the process comprises the steps of: installing a permeable reactive barrier in the flow path of the groundwater plume, wherein the installation of the permeable reactive barrier comprises the steps of: boring a first borehole with a portion longitudinally extending substantially parallel with an upper surface of the groundwater plume; filling the longitudinally extending portion of the first borehole with a reactive material comprising a solid reactant configured to react with the at least one contaminant in the groundwater plume to produce at least one product having less hazardous characteristics than the at least one contaminant; boring a second borehole with a portion proximate, substantially adjacent or overlapping the longitudinally extending portion of the first borehole; and filling the portion of the second borehole proximate, substantially adjacent or overlapping the longitudinally extending portion of the first borehole, with the reactive material. | 08-18-2011 |
20120085529 | ENHANCED PERMEABILITY SUBTERRANEAN FLUID RECOVERY SYSTEM AND METHODS - A system for recovering a fluid from a subterranean formation, including a production wellbore having a substantially horizontal production length extending through the formation, and a trench extending through the formation. A method of constructing a trench section in a subterranean formation, including providing within the formation an access wellbore having a substantially horizontal access wellbore length, introducing a trench cutting tool into the access wellbore, and advancing and retracting the trench cutting tool through the access wellbore in order to cut slots in the formation in a trench direction away from the access wellbore, repeatedly until a number of slots required to complete the trench section has been cut. | 04-12-2012 |
20130206384 | SYNCHRONISED SYSTEM FOR THE PRODUCTION OF CRUDE OIL BY MEANS OF IN-SITU COMBUSTION - A synchronized crude oil production system using in-situ combustion that measures, monitors, and controls the operating conditions in real time. The system includes at least one injection well, at least one production well, and at least one inclined synchronization well. The end of the production well(s) and the end of the inclined synchronization well(s) within the reservoir are oriented outward the injection well and the wells include measurement, monitoring, and control elements. The measurement and monitoring elements transmit signals and data collected to one or more processing units which, together or independently, use an analytical model to assess the combustion conditions in the well-subsurface system and the forward move of the combustion front and, depending on the results, synchronize the production operations. Each well being operated and handled remotely at the control valves thereof in order to influence the displacement direction of the combustion front. | 08-15-2013 |
20140076530 | FACILITY WITH WELLS HAVING MULTIPLE HORIZONTAL GALLERIES FOR LOWERING WATER TABLES - A facility with wells for lowering water tables has a set of enlarged horizontal gallery borings, which descend to a first impermeable layer, and extend therein at a length many times greater than the distance below ground level. Each boring has collecting piping having multiple borings, and at least one water extracting pipe associated with a corresponding extracting pump which drives water outside towards surface draining streambeds. | 03-20-2014 |
20140182834 | System for developing high pressure shale or tight rock formations using a profusion of open hole sinusoidal laterals - A wellbore system to produce natural gas and/or oil from high pressure shale or tight rock formations using a profusion of open hole sinusoidal laterals to achieve comparable contact surface areas with multi-stage hydraulically fractured wellbores. The laterals are drilled in an orientation designed to intersect the dominant natural fracture system and are also drilled in a sinusoidal pattern to interconnect the individual rock facies within the targeted subterranean zone. The sequence of lateral drilling is toe to heel, with the open hole kickoff in the downward direction to facilitate easy re-entry upon drill string tripping. By drilling enough laterals to achieve comparable contact surface area with hydraulically fractured wells, the subject invention allows for comparable quantities of natural gas and/or oil to be produced from high pressure shale or tight rock formations at significantly lower capital cost. | 07-03-2014 |
20160024904 | System and Method for Subterranean Deposit Access - According to one embodiment, a system for accessing a subterranean zone from the surface includes a well bore extending from the surface to the subterranean zone, and well bore pattern corrected to the junction and operable to drain fluid from a region of the subterranean zone to the junction. | 01-28-2016 |
20160047214 | METHODS AND SYSTEMS FOR ENHANCED DELIVERY OF THERMAL ENERGY FOR HORIZONTAL WELLBORES - Systems and methods for delivery of thermal energy to horizontal wellbores are disclosed. In one embodiment, a method comprises heating a heat transfer fluid; circulating the heat transfer fluid into a vertical bore to a heat exchanger; advancing feedwater into the vertical bore to the heat exchanger, wherein the heat exchanger is configured to transfer heat from the heat transfer fluid to the feedwater to generate steam; transmitting the steam from the heat exchanger into a horizontal wellbore to cause heating of a subterranean region; and returning the heat transfer fluid from the heat exchanger to the surface. The method may further comprise collecting liquefied formation in a second horizontal wellbore; and transmitting the liquefied formation to the surface through a production line. | 02-18-2016 |
20160061026 | INTERACTING HYDRAULIC FRACTURING - A fracture extending away from a first subterranean well and toward a second subterranean well may be initiated by pumping fluid into the first subterranean well. The fracture may be propagated further towards the second subterranean well by continuing to pump fluid into the first subterranean well, while monitoring a pressure in the second subterranean well. Proppant may be pumped into the second subterranean well via the first subterranean well and the fracture upon detection of a change in the monitored pressure in the second subterranean well. The change in monitored pressure in the second subterranean well may be sufficient to indicate that the first and second wells are in fluid communication and interacting via the fracture. | 03-03-2016 |