Patent application number | Description | Published |
20100132960 | DRILLABLE BRIDGE PLUG FOR HIGH PRESSURE AND HIGH TEMPERATURE ENVIRONMENTS - A drillable bridge plug includes a mandrel having external splines disposed on an outer surface of the mandrel, a sealing element disposed around the mandrel, an upper cone disposed around the mandrel proximate an upper end of the sealing element, and a lower cone disposed around the mandrel proximate the lower end of the sealing element, wherein an inner surface of the lower cone comprises internal splines configured to engage the external splines. The drillable bridge plug also includes an upper and a lower slip assembly disposed around the mandrel, and an upper and lower ring assembly each including a first segmented barrier ring, a second segmented barrier ring, and a back-up ring disposed proximate sealing element. A method of setting the drillable bridge plug and a method of removing the drillable bridge plug are disclosed. | 06-03-2010 |
20100243258 | DEBRIS CATCHER FOR COLLECTING WELL DEBRIS - A downhole debris recovery tool including a ported sub coupled to a debris sub, a suction tube disposed in the debris sub, at least one magnet disposed in the debris removal tool, and an annular jet pump sub disposed in the ported sub and fluidly connected to the suction tube. A method of removing debris from a wellbore including the steps of lowering a downhole debris removal tool into the wellbore, flowing a fluid through a bore of an annular jet pump sub, jetting the fluid from the annular jet pump sub into a mixing tube, displacing an initially static fluid in the mixing tube through a diffuser, thereby creating a vacuum effect in a suction tube to draw a debris-laden fluid into the tool, flowing the debris-laden fluid past at least one magnet disposed in a debris housing, and removing the tool from the wellbore is also disclosed. | 09-30-2010 |
20100258318 | DOWNHOLE SCRAPER - A downhole tool including a resilient body configured to be disposed on a drill string, the resilient body comprising a plurality of radial blades having an abrasive coating, wherein the radial blades are configured to deflect when inserted into downhole tubing, and wherein the resilient body is configured to allow rotation relative to the drill string. Additionally, a method for cleaning downhole tubing, the method including inserting a resilient scraper disposed on a drill string into the downhole tubing, the resilient scraper including a plurality of radial blades having an abrasive coating. The method further including rotating the drill string, and contacting the resilient scraper to an internal wall of the downhole tubing. | 10-14-2010 |
20110024119 | DOWNHOLE DEBRIS REMOVAL TOOL - A downhole debris recovery tool including a ported sub coupled to a debris sub, a suction tube disposed in the debris sub, and an annular jet pump sub disposed in the ported sub and fluidly connected to the suction tube is disclosed. A method of removing debris from a wellbore including the steps of lowering a downhole debris removal tool into the wellbore, the downhole debris removal tool having an annular jet pump sub, a mixing tube, a diffuser, and a suction tube, flowing a fluid through a bore of the annular jet pump sub, jetting the fluid from the annular jet pump sub into the mixing tube, displacing an initially static fluid in the mixing tube through the diffuser, thereby creating a vacuum effect in the suction tube to draw a debris-laden fluid into the downhole debris removal tool, and removing the tool downhole debris removal tool from the wellbore after a predetermined time interval is also disclosed. Further, an isolation valve including a housing, an inner tube disposed coaxially with the housing, and a gate, wherein the gate is configured to selectively close an annular space between the housing and the inner tube is disclosed. | 02-03-2011 |
20110259610 | HIGH PRESSURE AND HIGH TEMPERATURE BALL SEAT - An isolation device for a frac plug, the isolation device including a ball seat having a seating surface and a ball configured to contact the seating surface, wherein a profile of the seating surface corresponds to a profile of the ball. A frac plug including a mandrel having an upper end and a lower end, a sealing element disposed around the mandrel, and a ball seat disposed within a central bore of the mandrel, wherein the ball seat includes a seating surface having a non-linear profile. A method of isolating zones of a production formation, the method including setting a frac plug between a first zone and a second zone, disposing a ball within the frac plug, and seating a ball in a ball seat of the frac plug, the ball seat including a seating surface having a profile that substantially corresponds to the profile of the ball. | 10-27-2011 |
20120061103 | MULTIPLE BALL- BALL SEAT FOR HYDRAULIC FRACTURING WITH REDUCED PUMPING PRESSURE - A downhole isolation tool including a sub, a sleeve disposed in the sub, and a ball seat mandrel coupled to the sleeve, the ball seat mandrel having at least two ball seats axially aligned with at least two throughbores disposed within the ball seat mandrel. A method of isolating a well, the method including running a downhole isolation system into a well, wherein the downhole isolation system includes a first downhole isolation tool, the first downhole isolation tool including a first sub, a first sleeve disposed in the sub, and a first ball seat mandrel coupled to the first sleeve, the first ball seat mandrel having at least two ball seats of a first size axially aligned with at least two throughbores disposed within the first ball seat mandrel, dropping at least two balls of a first size into the well, and seating the at least two balls of the first size in the at least two ball seats of the first ball seat mandrel. | 03-15-2012 |
20120217025 | METAL EXPANDABLE ELEMENT BACK-UP RING FOR HIGH PRESSURE/HIGH TEMPERATURE PACKER - An expandable backup ring includes an outer surface, an inner surface having a plurality of protrusions projecting radially inwardly, and a plurality of segments, the segments defined by a plurality of outer surface cuts. The plurality of outer surface cuts extends radially inwardly from the outer surface and partially into each of the plurality of protrusions. | 08-30-2012 |
20130192840 | MULTILATERAL LOCATION AND ORIENTATION ASSEMBLY - A location and orientation assembly suitable for use in a multi-lateral wellbore may include a coupling portion, an upper muleshoe, a muleshoe spacer and a bottom muleshoe. The bottom muleshoe may connect to the coupling portion through a threaded connection. A method for locating and orienting in a multi-lateral wellbore includes providing a locating and orientation assembly. In the orientation assembly a coupling portion is provided and an upper muleshoe is inserted into the coupling portion. A muleshoe spacer is inserted into the coupling portion so as to matingly contact the upper muleshoe portion. Part of a bottom muleshoe is inserted into the coupling portion so as to matingly contact the muleshoe spacer. The coupling portion is jointed to the bottom muleshoe by a threaded connection. | 08-01-2013 |
20150114651 | DOWNHOLE FRACTURING SYSTEM AND TECHNIQUE - A system that is usable with a well includes a first tubing string and a plurality of tubing segments. The first tubing string is deployed in the well and includes a plurality of valve assemblies, which span a segment of the first tubing string. The tubing segments are adapted to be deployed in the well inside the first tubing string and attach together in the segment of the first tubing string in a sequence to form a second tubing string in a manner that allows sequential operation of the valve assemblies of the first tubing string. | 04-30-2015 |
20150226036 | PACKER PLUG RETRIEVAL TOOL AND RELATED METHODS - A method includes running a downhole tool into a wellbore, operating the downhole tool in a suction mode and removing debris from the wellbore, and operating the downhole tool in a circulation mode. A tool includes a body sub, a debris sub coupled to the body sub, a suction sub disposed in the debris sub, an annular jet pump sub disposed in the body sub and in fluid communication with the suction tube, and a seal sub disposed in the annular jet pump sub and configured to move from a first position to a second position. The tool operates in a first mode when the sea sub is in the first position and in a second mode when the seal sub is in the second position. | 08-13-2015 |
20150233190 | Multilateral Y-Block System - A technique utilizes a Y-block which is coupled with a lateral tubing string and a main tubing string. The Y-block comprises features which facilitate service and/or production operations. In well applications, the Y-block may comprise a pressure housing and a recessed bypass slot disposed along an exterior of the Y-block. A control line is positioned in the recessed bypass slot to facilitate control functions along the lateral tubing string. The recessed bypass slot enables routing of a control line without forming a splice along the control line. In other applications, the Y-block may utilize additional or other features which facilitate the desired operations. | 08-20-2015 |
20150259995 | Alignment Assembly - A technique facilitates latching of a tool in a desired alignment within a tubing string. The tubing string comprises a latching section designed to latch the tool in a specific orientation. The latching section comprises a plurality of mounting regions designed to receive a plurality of profile inserts which are releasably engaged and interchangeable. The profile inserts may be arranged to create a key profile for engagement with a corresponding key associated with the tool. However, the profile inserts may be interchanged to change the key profile. Additionally, different combinations of profile inserts may be used to create different key profiles from one latching section to the next in tubing strings with more than one latching section. | 09-17-2015 |
20150275587 | NON-THREADED TUBULAR CONNECTION - A technique facilitates connection of tubulars along a tubing string via a linear motion. A first tubular is provided with a first connector end having a non-circular transverse cross-section, and a second tubular is provided with a second connector end having a corresponding non-circular transverse cross-section. The non-circular cross-section and the corresponding non-circular cross-section are designed to matingly engage when the first and second tubulars are moved linearly toward each other to form a tubing string. A seal is provided to seal the first connector end with the second connector end once linearly engaged. A locking mechanism may be employed to linearly lock the first connector end with the second connector end. | 10-01-2015 |
20150376955 | Lateral Junction For Use In A Well - A technique facilitates creation of and production from a multilateral well. A lateral junction is deployed downhole to a lateral bore via a conveyance, such as a coiled tubing conveyance. The lateral junction comprises a main bore tubular and a lateral bore tubular which are pivotably joined via a pivotable coupling. The pivotable coupling enables pivoting of the lateral bore tubular outwardly through a lateral opening of the main bore tubular. The construction of the lateral junction enables establishment of a lateral junction, such as a TAML Level 3 or TAML Level 4 junction, in a single trip downhole. | 12-31-2015 |
Patent application number | Description | Published |
20130098850 | SEPARATOR SYSTEM AND RELATED METHODS - A separator system and method are provided in which the separator has two outlets for different components of mixed fluid. An energy harvester is provided on one of the outlets, wherein harvested energy is transferred to a pump located on an inlet of the separator. As a result, the differential pressure across the separator is increased. | 04-25-2013 |
20130319952 | DEOILING HYDROCYCLONE - A method of controlling a hydrocyclone system for separating a fluid mixture wherein the system includes a separator vessel for receiving the fluid mixture and performing a primary separation of the more dense and the less dense fluid phase thereby forming an interface within the separator, and a hydrocyclone apparatus having a first and second hydrocyclone compartments to separate the phases. The method includes alternating the flow rate through the hydrocyclone apparatus, alternating the interface or fluid mixture level in the separator vessel between a first level and a second level; and alternating the second hydrocyclone compartment between an open state in flow communication with the first hydrocyclone compartment and a closed state in isolation from the first compartment. | 12-05-2013 |
20140175028 | FLUID TREATMENT SYSTEM, A FLUID PROCESSING APPARATUS AND A METHOD OF TREATING A MIXTURE - A fluid treatment system, a fluid processing apparatus and a method of treating a mixture are provided in which a separator has two outlets for different components of mixed fluid. A conduit connecting one of the outlets of the separator to the inlet of the separator is provided to recycle fluid from an outlet of the separator back to the inlet and a pump at the inlet of the separator regulates the fluid flow through the separator at a constant rate. As a result, the flow rate through the separator is increased, which increases the separation efficiency of the separation system. The conduit also functions as a bypass line should the flow of fluid be obstructed through the separator. The conduit may preferably be operated in conjunction with an energy harvester. | 06-26-2014 |
20150159472 | Apparatus, Systems, and Methods for Downhole Fluid Filtration - A fluid production system for downhole fluid purification includes a filtering assembly to be positioned within a wellbore. The filtering assembly has a fluid filter and a first pump closely-coupled to the filter. In addition, the system includes an extension shaft extending from the first pump to a source of rotational power positioned adjacent the surface of the earth. | 06-11-2015 |
20150226046 | WELLBORE DESANDING SYSTEM - The invention relates to system and method for desanding an oil well that includes a fluidizing device (TORE), connected to a downhole pump that connects to a production tubing such that a supply duct is connected to the discharge of the pump and a discharge duct is connected to the suction of the pump. Embodiments include a pressure balance transition device between the TORE and the pump and/or a flow splitting device in the production tubing after the discharge of the pump. Other embodiments relate to a system and method for desanding an oil well in which a fluidizing unit is connected to a pump such that the supply duct is connected to an opening in the pump body or pump rotor and a discharge duct is connected to the suction of the pump. If connected to the rotor, the supply duct is integral to the pump rotor. | 08-13-2015 |
Patent application number | Description | Published |
20090113174 | Sign Operation Instructions and Circuitry - A co-processor for efficiently decoding codewords encoded according to a Low Density Parity Check (LDPC) code, and arranged to efficiently execute an instruction to multiply the value of one operand with the sign of another operand, is disclosed. Logic circuitry is included in the co-processor to select between the value of a second operand, and an arithmetic inverse of the second operand value, in response to the sign bit of the first operand. This logic circuitry is arranged to operate according to | 04-30-2009 |
20100142702 | Kasumi Cipher Executable Instructions and Circuitry - Logic circuitry and corresponding software instructions for performing functions within the FL function of a Kasumi cipher. An RLAX logic circuit includes a bit-wise AND function, a reorder bus, and a bit-wise exclusive-OR function for generating a destination word from corresponding logic functions of portions of first and second operands, in executing an RLAX program instruction. An RLOX logic circuit includes a bit-wise OR function, a reorder bus, and a bit-wise exclusive-OR function for generating a destination word from corresponding logic functions of portions of first and second operands, in executing an RLOX program instruction. Plural instances of the logic circuits can be implemented in parallel, to simultaneously operate upon plural data blocks. | 06-10-2010 |
20110029756 | Method and System for Decoding Low Density Parity Check Codes - A method for decoding a codeword in a data stream encoded according to a low density parity check (LDPC) code having an m×j parity check matrix H by initializing variable nodes with soft values based on symbols in the codeword, wherein a graph representation of H includes m check nodes and j variable nodes, and wherein a check node m provides a row value estimate to a variable node j and a variable node j provides a column value estimate to a check node m if H(m,j) contains a 1, computing row value estimates for each check node, wherein amplitudes of only a subset of column value estimates provided to the check node are computed, computing soft values for each variable node based on the computed row value estimates, determining whether the codeword is decoded based on the soft values, and terminating decoding when the codeword is decoded. | 02-03-2011 |
Patent application number | Description | Published |
20120116852 | METHODS AND SYSTEMS FOR IDENTIFYING, QUANTIFYING, ANALYZING, AND OPTIMIZING THE LEVEL OF ENGAGEMENT OF COMPONENTS WITHIN A DEFINED ECOSYSTEM OR CONTEXT - A method and system for optimizing the level of engagement of components within a defined ecosystem or context includes defining an initial ecosystem or context ‘A’ in structural, functional, operational, and conceptual terms. One or more components are identified in the defined ecosystem or context ‘A’. It is determined whether all identified components account for all of the structural, functional, operational, and conceptual terms of the initial ecosystem or context ‘A’. If so, levels of disengagement and engagement are quantified for each of the identified components. For each of the identified components, one or more gaps are measured between a current component engagement level and a potential component engagement level. A report associated with the one or more identified components and the one or more measured gaps is produced and output. The report includes an organizational structure of the one or more components within a new ecosystem or context ‘B’. | 05-10-2012 |
20120117019 | RELATIONSHIP ANALYSIS ENGINE - A relationship analysis engine includes a controller and a data miner to mine relationship information on a network. Sender nodes can be determined by the data miner or otherwise manually defined. Recipient nodes can be determined by the data miner or otherwise manually defined. An actionable analytics section analyzes messages that are transmitted between the sender nodes and the recipient nodes. The actionable analytics section produces historical analytics, real-time analytics, and predictive analytics associated with at least one relationship based on the analyzed transmitted messages and the mined relationship information. A relationship indicator is produced and displayed to represent the past, present, and predictive quality of relationship values associated with a relationship. The quality of relationship value can be determined, in part, by scores associated with waypoints in transitions between one quality of relationship value to another. | 05-10-2012 |
20120296636 | TAXONOMY AND APPLICATION OF LANGUAGE ANALYSIS AND PROCESSING - Words can be identified in text. Membership numerical values for the words can be determined in categories, or in communication types generated using those categories. The membership numerical values for the words can then be used to generate a signature. The signature can then be used to identify documents with a similar attitude. | 11-22-2012 |
20130185058 | FORMAT FOR DISPLAYING TEXT ANALYTICS RESULTS - A system can receive text. The text can be divided into various portions. One or more significance indicators can be associated with each portion of text: these significance indicators can also be received by the system. The system can then display a portion of text and the associated significance indicators to the user. | 07-18-2013 |
20140215211 | SPLIT DATA EXCHANGE PROTOCOL - Embodiments of the invention include a system to manage software and protect it from reverse engineering and intrusion prevention. A security server stores server-side software and server-side keys for various software products. Client-side software can request the server-side software and server-side key from the security server. The security server can transmit the server-side software and server-side key to the client-side software, which can then determine whether or not to assemble and execute the complete software. | 07-31-2014 |