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Matches 301 - 350 out of 146,530

Document Document Title
WO/2019/148128A1
A downhole temporary pressure isolation tool configured to withstand very high gas pressures at high temperatures may be achieved by a variety of configurations, processes, and techniques. In particular implementations, a barrier valve h...  
WO/2019/148151A1
A wellbore fluid may include an aqueous base fluid; a mixture of metal bromides dispersed in the aqueous base fluid; and a plurality of nanoparticles suspended in the aqueous base fluid, where the metal bromides and the plurality of nano...  
WO/2019/078728A3
A system and method of cleaning an annular area in a well (2), comprising: - a first pipe body (4) and a surrounding second pipe body (6); - a first annulus (8) containing a clean fluid (10), and a surrounding second annulus (12) contain...  
WO/2019/147294A1
A method for controlling a target switch assembly (232A) in a chain of switch assemblies (232A to 232M) includes distributing (1100) the chain of switch assemblies (232A to 232M) in a wellbore (211); placing (1102) a controller (206) at ...  
WO/2019/147820A1
A reaming tool for use in a wellbore has an elongated tubular body with an outer surface. There are at least first and second reamer sections formed on the tubular body, with the first and second reamer sections (i) being positioned circ...  
WO/2019/145393A1
The present invention relates to a downhole wireline intervention tool for performing intervention in a well, comprising a wireline (3), a motor (4) powered by the wireline (3), a positive displacement pump (5) driven directly or indirec...  
WO/2019/144238A1
A sub adapted for injection into the wellbore and sensing, the sub comprising: (a) an elongated body; (b) an inner bore having multi-material spacers of different radiation transparencies; and (c) an outer wall having recessed portions a...  
WO/2019/148152A1
A technique facilitates formation of a gravel pack along relatively lengthy wellbores. According to an embodiment, a completion system comprises a plurality of screen assemblies. The completion system also has an alternate path system di...  
WO/2019/147385A1
A perforation gun assembly comprising a plurality of guns with a box fitting at one end and a modified pin fitting at the distal end, the modified pin fitting further comprising an end cap secured to an internal charge carrier, aligning ...  
WO/2019/146359A1
Provided is a downhole plug for well drilling, wherein the downhole plug can restore a flow path in a short time by quickly degrading after hydraulic fracturing. A downhole plug (10) includes a mandrel (1) made of a degradable material a...  
WO/2019/147768A1
A new method of gathering data real time during production or simulation tests using a gravity deployed tool, referred to as a fiber-line intervention tool ("FLI" or "FLIT") to monitor bottom-hole pressure and temperature for well testin...  
WO/2019/055241A9
A system including a rig site with at least one pollution control system located on the rig site. The pollution control system is configured to modify an output of light, noise, or vibrations from the rig site to an environment surroundi...  
WO/2019/145602A1
An arrangement and a method for installing a casing in a borehole. The arrangement (100) comprises a casing (1), a boring pipe (2) which is adapted within the casing (1), the boring pipe (2) comprising flow channels for compressed air (3...  
WO/2019/140975A1
The present invention relates to a reciprocating sampling method and device for use in fixed-point sampling of gas content, wherein the method comprises the following steps: 1) performing sectional drilling, according to a predetermined ...  
WO/2019/141966A1
A method and system for recovering oil from a subterranean reservoir, the method comprising: delivering an injection gas through an injection flow path into a plurality of regions of the reservoir via a plurality of outflow devices arran...  
WO/2019/143875A1
A main bore (11) is drilled with an inclined section (17) extending toward a hydrocarbon bearing earth formation (21). First and second laterals (25, 29) are drilled from the inclined section downward into the formation at a steeper angl...  
WO/2019/143796A1
A water content sensor is positioned within a flowline downstream of a well-choke. The water content sensor is configured to determine a water content percentage of a production fluid flowing through the flowline. A temperature sensor is...  
WO/2019/140812A1
A mining system and method for a single steeply-inclined thick coal seam coal, wherein a transport chute (2) is constructed along a coal seam floor (1), and a production system is formed with mountains on both sides of a mining area. In ...  
WO/2019/141457A1
The present invention relates to a subsea housing assembly comprising a subsea housing having a first and a second housing portion. The first housing portion (10) comprises a first electrical connection (15) for data communication and th...  
WO/2019/140492A1
The present invention provides a rock bolt (14) comprising a cable (21) formed from multiple wound strands. The rock bolt also comprises a sleeve (16) surrounding the cable along at least portions of the cable, and multiple collars (17) ...  
WO/2019/144040A2
Analysis and control of drilling mud and additives is disclosed using a mud analysis system and a mud additive system that may automatically monitor and control the drilling mud during drilling of a well. The mud analysis system may acqu...  
WO/2019/141974A1
A jarring apparatus comprises first and second jarring assemblies rotatable relative to each other. A first impact surface is provided on the first jarring assembly and a second impact surface is provided on the second jarring assembly, ...  
WO/2019/142083A1
Use of foaming products for the production of a compact foam pig, by means of the forced interaction of gas, water and product, capable of moving huge quantities of water accumulated in gas production pipelines. The water removal takes p...  
WO/2019/143929A1
Provided herein is a differential temperature sensor which utilizes multiple temperature sensors to quickly and accurately calculate ambient fluid temperature with a reduced response time. The provided systems and methods utilize a first...  
WO/2019/141975A1
A jarring apparatus comprises first and second jarring assemblies which are axially moveable relative to each other between first and second axial configurations, and a thrust assembly interposed between the first and second jarring asse...  
WO/2019/144003A1
A process and smart controller for controlling a subsea smart electrical control unit. The process including collecting operating data from one or more devices and one or more control end points, calculating and performing in-situ analyt...  
WO/2019/143693A1
A coiled adaptive seat is held to a smaller diameter for delivery with a tool that features a locating lug for desired alignment of the seat with an intended groove in the inner wall of a tubular. The release tool retracts a cover from t...  
WO/2019/140813A1
A roadway forming method by roadway widening and tunneling and filling a gangue paste in a thick coal seam, comprising: firstly designing the width of a packwall (2) and the width of a new roadway to be tunneled (1) according to the geol...  
WO/2019/143642A1
Methods and systems for collecting high quality reservoir samples are disclosed. The systems and methods of the present invention are especially important in collecting samples of reservoir fluids in a manner that most closely resembles ...  
WO/2019/143707A1
The present disclosure relates to a fluid level sensing system for sensing a fluid level in a well. The system has an upper housing in communication with a lower housing, with the lower housing having a first bore in communication with a...  
WO/2019/141595A1
It is described a subsea electric actuator (100) operating a linear valve (200), the actuator (100) comprising a roller-screw (2) for translating a rotational movement of a motor (3) to a linear movement of a gate rod (4) operating the v...  
WO/2019/108776A4
A system includes a string disposed in a wellbore, a first valve coupled to the string, the first valve including a sleeve having an engagement profile with a first coded sequence, a second valve coupled to the string, the second valve i...  
WO/2019/140874A1
Disclosed is a method for evaluating the breaking strength of first and second cementing faces for well cementing under a dynamic load. The method comprises: manufacturing a rock-set cement-casing composite structure sample; clamping a s...  
WO/2019/141023A1
A method for determining a range of a dangerous rock formation of a roadway ceiling comprises: selecting a region where a tested pulling force limit is less than 1.2 times a designed support body anchoring force; in the selected region, ...  
WO/2019/084329A3
Cement, concrete, stucco, and plaster that are have black ceramic polymer derived pigments, and in embodiments have a uniform blackness throughout the structure. In embodiments the black pigment is a ceramic SiOC, that has a size of abou...  
WO/2019/144133A1
A method of demagnetizing well fluid to improve measurements in a well bore. A demagnetization apparatus for coupling to a well pipe is provided, the demagnetization unit having a demagnetizer or degausser that can be attached to a well ...  
WO/2019/143409A1
A substance deposition and backflow preventing arrangement including a housing having a port therein, a sleeve disposed within the housing and positionable to cover or uncover the port, the sleeve having a first seal at one end thereof p...  
WO/2019/141322A1
Well centre assembly for an offshore drilling rig and associated method. There is described a well centre assembly 10 for an offshore drilling rig. The well centre assembly 10 comprises a diverter assembly 16 and a movement control syste...  
WO/2019/142000A1
The present invention provides a tunnel boring apparatus (10) for a tunnel boring machine (1), comprising a rotatable drill head (12) having a boring face; a plurality of drill elements (14) mounted to the boring face; wherein the plural...  
WO/2019/143600A1
An apparatus for performing a nuclear magnetic resonance (NMR) experiment in a borehole penetrating the earth includes: a carrier configured to be conveyed through the borehole; an antenna assembly disposed on the carrier and configured ...  
WO/2019/143957A1
A method for determining rock properties includes running a downhole tool into a wellbore, the downhole tool including one or more protrusions (136) coupled with at least one expandable member (132) of the downhole tool, the one or more ...  
WO/2019/141432A1
The present invention relates to a subsea housing assembly comprising a subsea housing having a first and a second housing portion. The first housing portion (10) comprises a first electrical connection (15) for data communication and th...  
WO/2019/143320A1
A method and system for modeling a fracture in a hydraulic fracturing simulator. The method may comprise simulating a well system with an information handling system, defining a closure criteria for a hydraulic fracturing operation, asse...  
WO/2019/143317A1
A modular boost system can be added to a jack to enable greater lift capacity of the jack. One example can involve a jack that is positionable at a well surface for moving a tubing string through a wellbore in a subterranean formation. T...  
WO/2019/142024A1
While drilling directional and horizontal oil and gas wells, there are two methods for orienting the well in the predefined trajectory and, finally, hitting underground targets: The first is to use down-hole motors along with adjustable ...  
WO/2019/143356A1
Disclosed is a valve (100) that includes a valve stem (112) adapted for longitudinal movement along a first axis (113), a housing (114) that is operatively coupled to the valve (100) and a torque operator (102) that comprises a linkage a...  
WO/2019/140907A1
Disclosed is a drilling speed-increasing device driven by an underground motor to generate an impact vibration effect, wherein the device uses the rotation energy of a screw motor as the power to drive a lower vibration starting body (17...  
WO/2019/142091A1
Assembly for driving excavating equipment (10, 12) for an excavating machine (100), the assembly comprising: a drive assembly (110, 900), adapted to slide along a mast (5) of a machine (100), for driving the drilling equipment (10, 12); ...  
WO/2019/143362A1
A system and method for analyzing a gas in a drilling fluid involves a degasser operable to separate the gas from the drilling fluid. A gas analyzer in fluid communication with the degasser receives a sample of the separated gas and dete...  
WO/2019/141882A1
The invention relates to a removable modular support structure, for provisionally supporting a section of railway track (12) during the execution of work under same, which comprises an adjustment device (18) that facilitates the relative...  

Matches 301 - 350 out of 146,530