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Matches 401 - 450 out of 143,153

Document Document Title
WO/2018/148985A1
Disclosed is a mechanical experiment system for a perforated string during down-hole perforation explosion of an oil-gas well, the system comprising an experiment water tank (1), a perforated string (2) provided in the experiment water t...  
WO/2018/152468A1
This disclosure describes a novel method for predicting or estimating rock mechanical properties from cuttings at a particular depth based on determining the facies, plotting the facies on a ternary diagram with clay, silica and carbonat...  
WO/2018/148840A1
A coreless injectivity method. Drill cuttings from drilling a well into a subterranean formation rock are pressed into a compressed core plug and the compressed core plug subjected to injectivity testing. The injectivity testing of the c...  
WO/2018/149070A1
An energy-concentrating and nest-shaped structure-forming bundle device for preventing lost circulation and reinforcing a bore wall, and application thereof in prevention of lost circulation in a karst cavity. The device comprises an out...  
WO/2018/152388A1
A drilling fluid system and associated method for supplying drilling mud to a drilling operation includes a plurality of first sensors associated with a first mud pit, configured to measure a plurality of properties of the drilling mud i...  
WO/2018/151718A1
A drill string stabilizer (30) with an asymmetric arrangement of parts. The asymmetric design of the gage pads (304) and the junk slots (302) can provide increased efficiency, decreased vibration, and decreased localized equivalent circu...  
WO/2018/152176A1
A nuclear magnetic resonance apparatus includes a magnet assembly, a transmitting antenna configured to generate an oscillating magnetic field in a sensitive volume within an earth formation, and one or more receiving antennas configured...  
WO/2018/148832A1
Provided herein is a method for measuring the size distribution and/or hardness of free falling rock pieces. The method comprises projecting at least one laser line on the falling rock pieces by a laser device; capturing images of the fa...  
WO/2018/152051A1
A system includes a schedule generator having one or more processors configured to obtain resource extraction parameters for extracting a resource from a reservoir. The resource extraction parameters include well creation parameters asso...  
WO/2018/150318A1
A method for joining metallic well tubulars to be lowered into a wellbore (4) comprises the steps of: a) providing a first well tubular (6) having an upper end surface (6a), and a second well tubular (7) having a lower end surface (7a); ...  
WO/2018/152147A1
A heterogeneous classifier based on actual reservoir and well data is developed to qualitatively classify oil well producer performance, and based on the classification drill a new well into a producing reservoir or adjust fluid flows in...  
WO/2018/152089A1
A reverse-circulation drilling assembly having an overshot subassembly and a head subassembly. In the event retrieval of the drilling assembly by reverse-circulation fails, the drilling assembly can be retrieved using a secondary overshot.  
WO/2018/149866A1
The present disclosure relates to methods for preserving the inner structure and the mechanical integrity of uncemented sand samples, and to preserved uncemented sand samples whose inner structure has been preserved by the herein describ...  
WO/2018/151965A1
A cutting table comprises a polycrystalline hard material and at least one rhenium- containing structure within the polycrystalline hard material and comprising greater than or equal to about 10 weight percent rhenium. A cutting element,...  
WO/2018/152275A1
An intermitter valve for controlling the flow rate and/or pressure of a fluid produced from a well drilled into an oil and gas reservoir includes several seals between a seat connected to the valve body and a sleeve connected to a recipr...  
WO/2018/152121A1
A barrier is provided in a tubular string for opening up the top of the well for drilling or completion applications. In applications where two barriers are required due to regulations a control line actuated safety valve could serve as ...  
WO/2018/145215A1
There is provided an apparatus for controlling flow in a well bore, comprising: a housing defining a fluid passage; a flow control device sealing an outlet of said fluid passage; an actuator for manipulating said flow control device to a...  
WO/2018/146571A1
A well support structure includes a well support base for urging below a bottom of a body of water, a wellbore tubular component disposed through the well support base; and a filling medium top up line in fluid communication with a space...  
WO/2018/148357A8
A nanoparticle-resin coated frac sand composition is provided. The nanoparticle-resin coated frac sand composition includes a silica sand, an epoxy resin, methanol, a hardener, and nanoparticles. The nanoparticles may be silica nanoparti...  
WO/2018/147853A1
A system and method to actuate a downhole tool, where the tool can include a body, a closure member and a degradable actuation ring. A profile of the actuation ring can be configured to engage an actuation tool (e.g. shifting tool, ball ...  
WO/2018/145842A1
A method of creating a well bore comprises providing a bore liner (26) in a section of a well bore (20) extending through a formation (22) and providing the liner with at least one frac sleeve (28). A frac bottom hole assembly (BHA) (50)...  
WO/2018/147756A1
A method of repeat hydraulic fracturing in a horizontal well can comprise: creating a geometric model for assessing the level of stress in a formation; determining zones with high, medium and low levels of stress in the formation surroun...  
WO/2018/146267A1
A support system (12; 12') for providing horizontal support to a riser (32) extending downward from a cantilever (18) along a well centre and into a body of water comprising a riser interface (48; 48') and a tether arrangement (50; 50')....  
WO/2018/147959A1
Embodiments disclosed herein are directed to energy beam ablation machining methods that are used to machine polycrystalline diamond tables (e.g., polycrystalline diamond compacts that each includes polycrystalline diamond tables). Embod...  
WO/2018/146587A1
A connector assembly (10) for use with a drilling apparatus, comprises an input connector unit (12) which is connectable to a drill motor, an output connector unit (14) which is connectable to a drill pipe string and a number of shock ab...  
WO/2018/147859A1
A first slip key is integral with an inner surface of a cage. A first travel stop is integral with the slip key. A first cone has a truncated head, a first shallow axial slot in the truncated head, and a first deep axial slot in the trun...  
WO/2018/147833A1
Example apparatuses and methods are described for providing a swell packer apparatus having a vulcanized non]swelling outer layer with a pattern cut into it to expose an inner swellable sealing element. In an example embodiment, the swel...  
WO/2018/145391A1
Disclosed is a dynamic water replenishing hole sealing method by means of a high water-absorbent resin, applicable to borehole sealing where extraction has a large influence on the borehole. The method comprises: seal two ends of a hole ...  
WO/2018/146572A1
A well support structure includes a well support base for urging below a bottom of a body of water. A first support is coupled to the well support base at a first longitudinal support level. A first load transfer device is operatively co...  
WO/2018/148159A1
A system for selectively actuating sliding valves includes a segmented sleeve exhibiting a rocking (or pivoting) function. The rocking allows the bottom end of the sleeve to open wider when the front of a dart is pressed against it, prov...  
WO/2018/147851A1
Mapping propped fractures in a well can be performed using a mixture including a proppant and an encapsulated salt. The proppant can be positioned in a fracture in the well for propping open the fracture to form a propped fracture. The e...  
WO/2018/148060A1
An inverted Y-tool is positioned in multiphase wellbore fluid (110) flowing through a wellbore 108. The inverted Y-tool separates at least a portion of gas from the multiphase wellbore fluid and, after separating at least the portion of ...  
WO/2018/148433A2
A slurry injection system having a plurality of clear fluid pumps receiving clear fluid from a low pressure clear fluid manifold and pressurizing the clear fluid into high pressure clear fluid and communicating the high pressure clear fl...  
WO/2018/146586A1
A reaming tool includes a reaming tool body configured to be coupled within a drill string or a string of drilling tools. A plurality of reaming blocks is attached to the reaming tool body at circumferentially spaced apart locations. Eac...  
WO/2018/148426A1
An array of sliding sleeve valves are uniquely addressable without control lines or wires to open for a treatment and then close and then selectively open for production. The discrete movements employ an available pressure source such as...  
WO/2018/148480A1
A liner hanger is used for deploying a liner into a wellbore. The liner hanger includes a tubular body having a first end and a second end. The first end can include a connection to a liner. The second end can include a sealed connection...  
WO/2018/147745A1
A method of establishing a cement plug (3) in an annular region (35) between a first casing (100) and a second casing (200) in a well characterised in that the method comprises the steps of: - perforating the first casing (100) to open a...  
WO/2018/148618A1
Provided are systems and methods for drilling a horizontally-oriented well having a sigmoid-shaped wellbore including an upper sigmoid portion having a downward curving wellbore trajectory and a lower sigmoid portion having an upward cur...  
WO/2018/148617A1
Viscosifying proppants including proppant particles coated with a CO2-philic coating in which the CO2-philic coating has a solvable portion that viscosifies a CO2-based fluid when the viscosifying proppant is added to the CO2-based fluid...  
WO/2018/147846A1
A method for intervention of a well includes inserting a micro-coiled tubing into the well. Embodiments of the method can include deploying the micro-coiled tubing from a drum having the micro-coiled tubing wrapped around the drum and ca...  
WO/2018/147744A1
Methods of Enhanced Oil Recovery (EOR) from an oil reservoir by C02 flooding are disclosed. One method comprises producing a well stream from the reservoir; separating the well stream into a liquid phase and a gas phase with a first gas/...  
WO/2018/147961A1
A downhole assembly comprises a first article; and a second article having a surface which accommodates a surface shape of the first article, wherein the first article is configured to provide a chemical, heat, or a combination thereof t...  
WO/2018/147857A1
A second mandrel is mounted to a first mandrel and is moveable longitudinally relative to the first mandrel among a plurality of index positions. A first-part magnetic element is coupled to the second mandrel. A plurality of second-part ...  
WO/2018/147860A1
A pressure-activated device is inserted in a string for insertion into a borehole. The pressure-activated device has an indexing mechanism. The pressure-activated device has a piloted check valve that prevents the indexing mechanism from...  
WO/2018/148279A1
Self-suspending proppants including proppant particles coated with a CO2-philic coating are provided. The CO2-philic coating may be lightly crosslinked and may have a physical structure that constrains CO2 molecules. Methods of making se...  
WO/2018/145201A1
Methods and systems of operating a blockchain mining device using natural gas produced at a hydrocarbon production, storage, or processing site/facility. A generator may be retrofitted to an existing prime mover used to pump the well, an...  
WO/2018/148357A1
A nanoparticle-resin coated frac sand composition is provided. The nanoparticle-resin coated frac sand composition includes a silica sand, an epoxy resin, methanol, a hardener, and nanoparticles. The nanoparticles may be silica nanoparti...  
WO/2018/145984A1
The invention relates to a method for fixing a rail bracket of an elevator system and to an elevator system. In the method according to the invention for fixing a rail bracket (16) for mounting a guide rail on a shaft wall (18) of an ele...  
WO/2018/148300A1
A BHA features an MWD tool connected to a running tool supporting a whipstock that is connected to an open hole anchor. The anchor is flow set and after the anchor is set the running tool collets release from the whipstock to allow cemen...  
WO/2018/148160A1
According to several exemplary embodiments of the present disclosure, a proppant composition is provided that includes a plurality of unconsolidated particulates having a resin coating on the surface of the particulates, such that chemic...  

Matches 401 - 450 out of 143,153