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Patent Searching and Data


Matches 851 - 900 out of 5,092

Document Document Title
WO/2015/175496A3
A system (300) includes a drilling mud cooling apparatus (340) that is adapted to receive a flow of a mixture of drilling materials (390h) from a drilled wellbore (301) during a drilling operation, and to cool the mixture (390h) from a f...  
WO/2016/039728A1
An assembly is provided that can include check valve. The check valve can include a ball positioned between an inflow line and an outflow line. The ball can be movable between (i) an open position at which a fluid is allowed to flow betw...  
WO/2016/037281A1
A one-time-use pressure-actuated conduit closure is provided, to selectively withstand fluid pressure from one side of the device until the closure is removed remotely, the closure device being a frangible dome designed to withstand flui...  
WO/2016/029312A1
The present disclosure relates generally to devices and methods useable during well drilling operation. More particularly, the present disclosure pertains to a drilling rig incorporating a dual top drive apparatus useable for decreasing ...  
WO/2016/032342A1
An oil field tubular for use as part of a well string, comprises a hollow tube that forms a passage, each end of the tube configured for connection to the end of an adjacent string section to form a continuous string; a flapper, integral...  
WO/2016/032679A1
A method for moving fluid through a pipe in a wellbore includes placing at least two different fluids in the pipe and in an annular space between the pipe and the wellbore. Fluid is pumped into the pipe at a rate to achieve a desired set...  
WO/2016/033294A1
A compression test rig apparatus for determining a mechanical characterization of a gel-based LCM test sample comprising an LCM test cell configured to contain the gel-based LCM test sample, the LCM test cell comprising a cylinder wall d...  
WO/2016/033459A1
A technique facilitates regulation of flow through a flow control device to improve a well operation, such as a production operation. The technique utilizes a flow control device which has a valve positioned in a housing for movement bet...  
WO/2016/028320A1
A drilling assembly is provided that includes a drillpipe, a drill bit provided at a downhole end of the drillpipe, and a pressure control module positioned proximate to the drill bit, the pressure control module including a pressure sen...  
WO/2015/183434A3
A method for processing a flowback composition stream from a well head (104) is provided. The flowback composition stream has a first flow rate (F1) and a first pressure (P1). Method also includes controlling the first flow rate to a sec...  
WO/2016/024940A1
A circulation mechanism in a subsea assembly is selectively actuated to allow fluid communication between the riser annulus and tubing string to immediately kill the well using heavy-weight fluid in the riser annulus; perform well contro...  
WO/2016/025264A1
A swivel comprising an inner mandrel disposed through an outer housing. A plurality of seals is disposed between the inner mandrel and the outer housing. A pressure reducing assembly is configured to control a pressure differential acros...  
WO/2016/025025A1
The present invention is related to a downhole tool having a flapper valve assembly for controlling the backflow of fluid into a tubing string. The downhole tool includes a first sleeve slidably disposable within at least a portion of th...  
WO/2016/022169A1
A gas trap system for releasing gas-phase fluids is provided herein. The gas trap system is designed to reside within a return fluids tank, such as at a drill site. The gas trap system first includes a gas trap. The gas trap is configure...  
WO/2015/091573A3
An apparatus for degassing drilling fluid comprising a primary separator and a secondary separator (26), the primary separator comprising a vessel body (12) having an inlet port (14), a liquid outlet port (18) located at a lower end of t...  
WO/2016/015093A1
A down the hole hammer (10) incorporates: an inner tube assembly (100); a fluid flow control system (200); a bit retaining system (400); a porting sleeve (600); and a piston (700). Each of the: inner tube assembly (100); fluid flow contr...  
WO/2015/069738A3
Present embodiments are directed to a control system including a controller configured to regulate a drilling fluid flow through a pipe element during installation of the pipe element into a wellbore or removal of the pipe element from t...  
WO/2016/014075A1
A downhole ball valve includes a housing that includes a tubular member; a ball seat positioned in the tubular member, the ball seat including a sealing surface; and a ball that includes a first hemispherical portion, a second hemispheri...  
WO/2016/014791A1
A method for controlling a managed pressure drilling system including a drillstring located in a borehole, a pump that delivers drilling fluid, and a choke that controls the flow of the drilling fluid from an annulus formed between the d...  
WO/2016/007139A1
An example well system including a drill string extending from a surface location into a wellbore and defining an annulus between the drill string and the wellbore, a fluid circuit extending through the drill string to a bottom of the we...  
WO/2016/007598A1
A drilling mud cooler (230) includes a first mud heat exchanger (232a) that is adapted to receive a flow of drilling mud (210y), a first closed-loop cooling system (250) that is adapted to cool a first cooling fluid (260) that is circula...  
WO/2016/007236A1
A downhole tool assembly includes a tubular having a flowbore extending along a longitudinal axis of the tubular. An electric actuating mechanism supported by the tubular and distanced from the longitudinal axis of the tubular; and, a va...  
WO/2016/004459A1
This disclosure relates to a bulk fluid storage tank (or frac tank). In one aspect, the frac tank comprises at least a first storage tank and at least one further storage tank, and an eductor arrangement for mixing a motive fluid and a s...  
WO/2016/007573A1
A method of controlling the production efficiency of a well includes determining one or more parameters of a pump model for a pump of the well, determining an inflow rate of liquid into the well, and adjusting a pumping speed of the pump...  
WO/2016/007574A1
A method of controlling the production efficiency of a well includes determining one or more parameters of a pump model for a pump of the well, determining an inflow rate of liquid into the well, and adjusting a pumping speed of the pump...  
WO/2016/003457A1
A contactless valve actuation system includes a conduit, which may be a tubing segment in drill string or production string. The system includes a valve including a sealing member that is movable between an open position and a closed pos...  
WO/2016/004137A1
Presented is a computerized method, apparatus, and systems for management of a slurry injection well and the associated surface facility. A network is provided for connectivity of facility equipment, sensor equipment, and control softwar...  
WO/2016/003422A1
A flow-diverter assembly includes a housing having a discharge port, a valve piston located in the housing, and a barrel cam coupled to the valve piston. The valve piston includes a valve body in fluid communication with an internal flow...  
WO/2016/002688A1
The problem addressed by the present invention is to provide a minute cellulose fiber dispersion liquid having a high thickening effect and gelling function. Provided is an underground layer processing composition containing minute cellu...  
WO/2016/003715A1
A sensor assembly may include a housing made of a non-magnetic material. The housing may define an interior chamber. A shaft may extend from the housing. A bearing may be positioned around the shaft. An impeller may be positioned around ...  
WO/2016/004005A1
A method includes scanning an interior of a tank to obtain a tank rendering. Based on the tank rendering, a minimum number of tank cleaning machines and a corresponding position for each of the tank cleaning machines is determined such t...  
WO/2015/199641A1
A well tool includes a body defining an enclosed fluid passage. A bipolar electrode is provided in the well tool, changeable between a first, energized state, and a second, different state. The bipolar electrode in the first state produc...  
WO/2015/200397A1
Drilling flow control tools may include a tool body having a central bore and bypass ports that allow flow of fluid to an outer surface of the tool body. The drilling flow control tool may also include a control sleeve within the central...  
WO/2015/200792A1
A convertible valve having a conversion element retained in a seat to convert a valve gate from bidirectional flow to unidirectional flow. The convertible valve includes a valve gate moveable between a first open position and a second cl...  
WO/2015/199547A1
A shear gun (10) for drilling fluids is described, comprising a housing (12) in the form of an elongated, internally hollow body arranged to receive drilling fluid, as the housing (12) comprises an internal space (16) equipped with a hig...  
WO/2015/195098A1
A downhole valve system includes a downhole valve positionable in a wellbore and a downhole valve actuator coupled to the downhole valve. An annulus is defined between the downhole valve and the wellbore. The downhole valve actuator incl...  
WO/2015/192245A1
A system for recovering used drilling fluid from drill cuttings being processed on a shaker screen. The system comprises: a vacuum screen attachment operatively connected to the underside of the shaker screen, the vacuum screen attachmen...  
WO/2015/195852A1
A system includes a skip, a first sensor and a conveying section. The skip includes a hollow interior to store solids therein. The skip further includes an inlet and an outlet. The first sensor is located adjacent the inlet to indicate t...  
WO/2015/164534A3
Present embodiments are directed to a drilling fluid management device (80). A containment structure (84) of the drilling fluid management device is capable of engaging and at least partially creating a seal with a drillpipe element (36,...  
WO/2015/071381A3
The present invention relates to a filter drill rod for a hydraulic down-the-hole hammer. The drill rod comprises a first fluid flow channel through the drill rod; and a second fluid flow channel through the drill rod. The drill rod also...  
WO/2014/131613A3
An inner tube assembly releasably latchable with a core barrel of a core drilling apparatus. The inner tube assembly includes a valve housing having a fluid flow port and a position guide to control a position of the valve body within th...  
WO/2015/189656A1
A method for reducing fluid loss from a water-based wellbore servicing fluid is disclosed. The method includes preparing a fluid loss control additive that is substantially stable even at a high temperature of about 350°F. The fluid los...  
WO/2015/191915A2
An apparatus for detecting potential kicks in a well is provided. In one embodiment, the apparatus includes a drill string (28) positioned in a well (14), a mud circulation system (22) coupled to supply drilling mud to the drill string, ...  
WO/2015/191073A1
A drilling fluid conditioning system can include at least one drilling fluid conditioning device, and at least one heat transfer property sensor that outputs real time measurements of a heat transfer property of a drilling fluid that flo...  
WO/2015/191049A1
A method and apparatus for separating the constituents of a drilling fluid into two or more groups based on particulate size and specific gravity in a continuous flow process.  
WO/2015/191072A1
A drilling fluid conditioning system can include a centrifuge, and at least one heat transfer property sensor that outputs real time measurements of a heat transfer property of a drilling fluid that flows through the centrifuge. A method...  
WO/2015/191091A1
A system (200) for measuring drilling fluid properties is disclosed that includes a capillary rheometer (234) and a pump (204) that is adapted to pump a fluid through the capillary rheometer (234) at a plurality of different flow rates. ...  
WO/2015/187157A1
One implementation of the disclosure provides a computer implemented method for underbalanced drilling. The implementation may include determining an initial 2D UBD operation envelope based on a set of initial operating points for a sele...  
WO/2015/179906A1
The present invention relates to air rotary drilling systems, apparatus and methods, particularly air rotary drill pipes for use in air rotary drilling operations as well as methods of their use and assembly as well as parts thereof. The...  
WO/2015/091574A3
A drilling system including a riser, a pressure vessel (66), a source of pressurised gas, and a main flow line which extends from the riser to the pressure vessel, the pressure vessel having a liquid inlet port connected to the main flow...  

Matches 851 - 900 out of 5,092