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| Number | Title | Issue Date |
| 8151883 | Stimulation technique for open hole well A stimulation technique is provided for use in an open hole well. The stimulation technique utilizes a system which comprises one or more isolation devices positioned to isolate desired regions of the open hole well. At least one release mechanism is used to provide... | 04/10/2012 |
| 8151882 | Technique and apparatus to deploy a perforating gun and sand screen in a well A system that is usable with a well includes tubular body, at least one perforating charge that is disposed on the tubular body and at least one screen section that is disposed on the tubular body. The perforating charge(s) and the screen sectional(s) are adapted to... | 04/10/2012 |
| 8146658 | Providing a sensor array To assemble a sensor array having plural sections, the sections of the sensor array are sealably attached, where the sections include sensors and cable segments. An inert gas is flowed through at least one inner fluid path inside the sensor array when the sections o... | 04/03/2012 |
| 8146656 | Method to measure injector inflow profiles A method of determining the inflow profile of an injection wellbore, comprising stopping injection of fluid into a formation, the formation intersected by a wellbore having a section uphole of the formation and a section within the formation, monitoring temperature ... | 04/03/2012 |
| 8136608 | Mitigating perforating gun shock A wellbore tool string includes a perforating gun having a plurality of explosive perforating charges and a shock mitigation tool. The shock mitigation tool including a tubular body having a top end, a bottom end, and a chamber; a barrier disposed proximate the bott... | 03/20/2012 |
| 8134696 | Measuring Brillouin backscatter from an optical fibre using a tracking signal A method for measuring Brillouin backscattering from an optical fiber, includes frequency mixing a first signal with a frequency representative of the Brillouin frequency shift in backscattered light received from a deployed optical fiber with a second signal at a f... | 03/13/2012 |
| 8128281 | Fluid level indication system and technique A technique that is usable with a well includes changing the temperature of a local environment of a distributed temperature sensor, which is deployed in a region of the well and using the sensor to acquire measurements of a temperature versus depth profile. The reg... | 03/06/2012 |
| 8127845 | Methods and systems for completing multi-zone openhole formations Methods and systems for completing multi-zone formations. The method can include placing a gravel pack assembly within a borehole. The gravel pack assembly can include a first sand control extension. A first sand control screen can be disposed adjacent the first san... | 03/06/2012 |
| 8127654 | Perforating guns with reduced internal volume A perforating device has an elongated tubular housing and a loading device supporting a plurality of shaped charges. The loading device and the shaped charges are located inside the housing. A volume reduction device is adapted to fit within the loading device and t... | 03/06/2012 |
| 8121790 | Combining reservoir modeling with downhole sensors and inductive coupling A method is disclosed of characterizing a well using a series of measurements taken along the sandface of that well in order to optimize a well model. The method may comprise providing a well model with a plurality of adjustable physical parameters, providing a data... | 02/21/2012 |
| 8118098 | Flow control system and method for use in a wellbore A technique is provided to facilitate fluid flow and pressure control in a well with an interventionless flow valve system. The valve system is coupled to a well component string deployed downhole in a wellbore. The valve system controls flow and pressure between an... | 02/21/2012 |
| 8114817 | Filtercake removal composition and system A treatment fluid and system are disclosed for cleaning borehole filtercake using the treatment fluid, wherein the filtercake contains reservoir drilling fluid (RDF) solids. The treatment fluid comprises a fluoride source providing a 1.2 to 5 molar fluoride concentr... | 02/14/2012 |
| 8113290 | Dissolvable connector guard A connector guard is provided to protect one or both downhole connectors during wellbore run in prior to mating downhole. The connector guard may comprise dissolvable or degradable material and include an engagement sections and a removal feature. The connector guar... | 02/14/2012 |
| 8096356 | System and method for preventing buckling during a gravel packing operation A technique prevents buckling of a service tool assembly during a sand control operation in a wellbore. A completion assembly and a service tool assembly are positioned in a wellbore. An anti-buckling mechanism is positioned to limit the buckling load effects that c... | 01/17/2012 |
| 8091647 | Means of preventing marine fouling of subsea connectors The present embodiment of the invention relates to an apparatus and method for using components in a subsea assembly formed from a raw polymer material combined with a marine growth inhibitor material. ... | 01/10/2012 |
| 8091631 | Intelligent well system and method An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement o... | 01/10/2012 |
| 8091628 | Apparatus and method for providing fluid and projectiles to downhole tubulars Apparatus and methods for providing fluid and projectiles to downhole tubulars includes a manifold. The manifold may include a housing, a cartridge disposed within the housing, and an actuator. The cartridge includes multiple throughbores for selectively allowing a ... | 01/10/2012 |
| 8074743 | Active integrated well completion method and system A well system may be provided comprising a first primary inductive coupler configured to be communicably coupled to a surface device and a first secondary inductive coupler. The first secondary inductive coupler may be further configured to be communicably coupled t... | 12/13/2011 |
| 8074718 | Ball seat sub A downhole tool for providing a pressure differential between sub-assemblies, the downhole tool including an elongated body, a tubular assembly disposed within the elongated body, the tubular assembly including a central flowbore with an inner diameter and a central... | 12/13/2011 |
| 8066071 | Diverter valve Apparatus for multi-zone wellbores that can by-pass upper hydrocarbon bearing zones and deliver fluid to lower hydrocarbon bearing zones. The apparatus can include at least one housing, and at least one port can be formed through the housing. An inner sleeve can be ... | 11/29/2011 |
| 8061430 | Re-settable and anti-rotational contraction joint with control lines A downhole contraction joint. The downhole contraction joint can include at least one anti-rotation assembly. The anti-rotation assembly can include a first tubular member at least partially disposed within a second tubular member. An axial slot can be formed throug... | 11/22/2011 |
| 8061429 | Systems and methods for downhole completions Systems and methods for downhole completions. A downhole running tool can have a body having a bore formed therethrough. A latch member can be disposed on a first portion of the body. A reset member can be disposed on a second portion of the body. A conduit can be f... | 11/22/2011 |
| 8056643 | Systems and techniques to actuate isolation valves A tool that is usable in a well and may include an operator, a switch, a resilient device and an indexer. The switch may be configured to selectively communicate a first force to the operator, thereby actuating the tool. The resilient device may exert a second force... | 11/15/2011 |
| 8056628 | System and method for facilitating downhole operations A technique is provided to facilitate use of a service tool at a downhole location. The service tool has different operational configurations that can be selected and used without moving the service string. ... | 11/15/2011 |
| 8056619 | Aligning inductive couplers in a well An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The second equipment section is adapted to be run downhole into the well after... | 11/15/2011 |
| 8051775 | Detonation to igniter booster device A detonating device includes a high explosive portion comprising high explosive; a low explosive portion comprising low explosive; and a transition portion between the high explosive portion and the low explosive portion, wherein the transition portion comprises a m... | 11/08/2011 |
| 8040250 | Retractable sensor system and technique A technique usable with a well includes disposing a retractable line in a conduit having an open end located above a region of interest in the well. The retractable line comprises a sensing portion that, when the line is deployed, extends from the open end of the co... | 10/18/2011 |
| 8025072 | Developing a flow control system for a well To develop a flow control system for use in a well, a multi-level approach is used, where the multi-level approach includes setting goals for the flow control system. According to the goals set, an overall design of the flow control system is specified, and based on... | 09/27/2011 |
| 8008234 | Method and composition comprising at least three different average particle volume particulates for low damage gravel packing A gravel packing system, method and slurry. The system comprises a blending device to prepare a slurry comprising a carrier fluid suspending first, second and third particulates, wherein the carrier fluid comprises a brine and less than about 2.4 g/L (20 lb per 1000... | 08/30/2011 |
| 8006768 | System and method for controlling a downhole actuator A technique is provided for utilizing a hydraulic fluid metering control module in cooperation with a downhole component. The downhole component is shifted via hydraulic fluid delivered through first and/or second control lines to an actuator of the downhole compone... | 08/30/2011 |
| 8002040 | System and method for controlling flow in a wellbore A technique enables control over flow in a wellbore with a flow control system. The flow control system combines a flow reduction mechanism with a flow control device, such as a valve. The flow reduction mechanism comprises a closure member which can be selectively ... | 08/23/2011 |
| 7995209 | Time domain multiplexing of interferometric sensors An optical sensor array includes a plurality of interferometric sensors that are disposed at a plurality of locations in a region of interest. To determine a physical parameter at the plurality of locations, the array is interrogated with a plurality of optical puls... | 08/09/2011 |
| 7992642 | Polished bore receptacle An integral polished bore assembly for use in a wellbore. The assembly includes a barrel having a polished bore; at least one no-go member positioned within the barrel; an elongated locator member having a sealing head and an end, the end extending out of the barrel... | 08/09/2011 |
| 7992638 | Downhole disconnect mechanism A release device includes a first sub, a second sub, and a connector separably connecting the first and the second sub, wherein the connector includes a shear member disposed with the first sub and a collar connected between the second sub and the shear member. ... | 08/09/2011 |
| 7987914 | Controlling actuation of tools in a wellbore with a phase change material A technique is provided for actuating devices deployed in a wellbore. The technique utilizes an actuator that cooperates with a downhole device, such as a well tool. The actuator has a phase change material that can be caused to undergo a phase change upon an approp... | 08/02/2011 |
| 7984674 | Perforating charge for use in a well A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness. ... | 07/26/2011 |
| 7981845 | Partially neutralized polyhydroxy acids for well treatments This relates to a method and composition for forming and utilizing a fluid in the oilfield services industry including exposing a polyacid and/or polyacid derivative to a preparation method, introducing the prepared polyacid and/or polyacid derivative to a fluid to ... | 07/19/2011 |
| 7980316 | Formation isolation valve A valve includes a housing, a valve element that is located in the housing, an operator, a locking device and an interference device. The housing includes an interior surface that has a profile. The operator may be configured to transition the valve element between ... | 07/19/2011 |
| 7979240 | System and method for real-time monitoring and failure prediction of electrical submersible pumps The present application relates to a system and method for real-time monitoring and failure prediction of electrical submersible pumps. The design includes generating a failure prediction value with a management system by calculating a percentage change of the respe... | 07/12/2011 |
| 7975772 | Method and system of hydraulic control line connection A method of coupling a first control line to a second control line is provided comprising the steps of prepping the first and second control lines to respectively produce a first end and a second end. Prepping may comprise inserting a plug assembly into at least one... | 07/12/2011 |
