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Patent Searching and Data


Matches 651 - 700 out of 155,079

Document Document Title
WO/2021/181087A1
A method of locating bore-lining tubing, such as a liner (120), in a drilled bore (106) comprises selecting a buoyant material, such as air (138), having a density lower than the density of an ambient fluid, such as well fluid (180, 182)...  
WO/2021/180868A1
The invention relates to a semi-submersible drilling vessel, comprising a deck box structure supported via multiple support columns on one or more pontoons, and a drilling installation. The vessel is provided with a positioning system co...  
WO/2021/183950A1
Techniques for determining a geologic parameter include determining, with an analytical solution, a change to at least one control point of a boundary of a control volume defined in a subterranean formation that is caused by a hydraulic ...  
WO/2021/181881A1
This hydrocarbon recovery method is for recovering a production liquid that contains hydrocarbons from a production well located in ground where microbes of a first type that generate a biofilm and microbes of a second type that generate...  
WO/2021/183528A1
Provided, in one aspect, is a downhole magnetic debris removal apparatus. The downhole magnetic debris removal apparatus, in one aspect, includes a housing having a longitudinal axis, and a plurality of magnets arranged as one or more Ha...  
WO/2021/183670A1
Systems, methods, and devices for controlling the operation of an industrial machine (e.g., a drill) based on a determined attribute of a pipe. A sensor is configured to generate an output signal related to a characteristic of the pipe. ...  
WO/2021/179063A1
A machine and method for making underground excavations in rock, The machine comprises hydraulic percussion hammers which drive drill bits into the rock face to be bored. A hydraulic power unit (HPU) is located on the machine. The HPU po...  
WO/2021/178947A1
Apparatus and methods for automating well construction operations based on detected abnormal events. A method may comprise commencing operation of an equipment controller of a control system for monitoring and controlling a well construc...  
WO/2021/177986A1
A method may include obtaining wellhead temperature data from a wellhead coupled to a wellbore. The method may further include obtaining production data regarding the wellhead. The method may further include obtaining water cut data from...  
WO/2021/178342A1
A system and method of generating a wellbore layout are disclosed herein. A computing system receives, from a client device, one or more parameters associated with a target location for the target wellbore layout. The computing system re...  
WO/2021/178304A1
A cutting element includes a substrate and an ultrahard layer on an upper surface of the substrate, a top surface of the ultrahard layer having a ridge extending along a major dimension of the top surface from an edge of the top surface,...  
WO/2021/176258A1
A quick connect system includes: a female component (32) including: a center bore (48) longitudinally disposed therethrough; a tooth recess (70) disposed around an interior circumference of the center bore (48); and teeth (76) circumfere...  
WO/2021/178944A1
Drill strings and related ball dropping tools are provided. In accordance with an example, a ball dropping tool 102 includes an outer body 116, an inner body 126, a side bore 132, 133, a ball 112, 114, and an actuator 146. The outer body...  
WO/2021/174343A1
A filter medium for removal of contaminants from wastewater. The filter medium includes a walnut shell particle having a metal hydro(oxide) nanoparticle bonded to the surface of the nut shell particle. The filter medium is particularly u...  
WO/2021/174732A1
Disclosed are an actuating mechanism for a rotary guide device and a rotary guide device using same. The actuating mechanism comprises a driving valve element (1), a driven valve element (2), a first cavity (3), a second cavity (4) and a...  
WO/2021/178728A1
A propulsion tool for delivering a tubing into a subterranean well for performing a downhole operation includes a tool housing, the tool housing being a tubular shaped member. A connector system is operable to secure the propulsion tool ...  
WO/2021/175995A1
A method and apparatus to move an object in an open hole section of a wellbore. A bottom hole assembly including a downhole pulling tool and fishing device is described. The downhole pulling tool includes an open hole anchor to allow loc...  
WO/2021/177955A1
Fracturing fluids and acidizing fluids used in wellbore stimulation operations can include a metal silicate having a molar ratio of SiO2:Μ20 of 2:1 or above, wherein M is an alkali metal atom or an alkaline earth metal atom. The metal s...  
WO/2021/178995A1
Methods and compositions for inhibiting iron sulfide scale in an oil production system having a well in a hydrocarbon-bearing formation. The methods include the steps of: supplying an aqueous scale-inhibiting solution comprising a water-...  
WO/2021/174831A1
A single-leaf concrete fireproof protective closed door for high-speed railway and subway tunnels, comprising: a door frame (8) provided in a tunnel; hinges located on one side of the door frame; a door leaf (5) being a concrete door lea...  
WO/2021/178602A1
A system for monitoring a piece of hydraulic fracturing equipment such as a positive displacement pump. The system includes a plurality of sensors configured to detect conditions of the hydraulic fracturing pump and a processor that is c...  
WO/2021/178482A1
A method of drilling a wellbore system, including determining a conductive formation layer from a plurality of formation layers having a first well extending therethrough, the first well having a first work string therein, the first work...  
WO/2021/011021A8
A hybrid coiled tubing system. The hybrid coiled tubing system may include composite coiled tubing, metallic coiled tubing, and a composite coiled tubing connector coupled to and joining the composite coiled tubing and the metallic coile...  
WO/2021/178540A1
Systems and methods for determining a time-dependent mud weight window are disclosed. The existence of fractures in formation rock along with a type of the formation rock are used to determine the use of a particular solution to determin...  
WO/2021/178469A1
Systems and methods for neutralizing a hydrogen sulfide. A tool shell (26) circumscribes a tubular member (20), defining tool annular space between an outer diameter surface of the tubular member and an inner diameter surface of the tool...  
WO/2021/179004A1
An aggregate MRC well and method for extracting hydrocarbons from one or multiple subsurface formations are disclosed. The aggregate MRC well includes a plurality of maximum reservoir contact (MRC) wells, a plurality of independently ope...  
WO/2021/177286A1
The present invention provides a structure protection sheet, which makes it possible to significantly reduce the work period in the provision of a protection layer on the surface of a structure such as concrete, to protect the structure ...  
WO/2021/174333A1
A secondary latch mechanism (also referred to as a lockout mechanism) for a gripping tool, such as a casing running tool (CRT), prevents activation of the CRT prior to full insertion of a tubular workpiece into the CRT. When embodied in ...  
WO/2021/174313A1
Disclosed is a wellhead that includes a casing head, a tubing hanger and a rotation assembly connected to the tubing hanger. The tubing hanger is rotatable relative to the casing head and this rotation is effected by the rotation assembl...  
WO/2021/177982A1
A method may include obtaining various well logs or various core samples regarding a geological region of interest. The method may further include determining various permeability values, various porosity values, and various dolomite vol...  
WO/2021/177836A1
A work platform (10) for use in well operations, the work platform (10) being configured for positioning above a well pipe (15), the work platform (10) having a support frame (12), a support tool (13) arranged on the support frame (12), ...  
WO/2021/174360A1
: Described herein is a polymer dispersion system comprising: (a) a first sub-system comprising an ingress and an egress; (b) a second sub-system comprising an ingress and an egress; (c) an eductor mixing device comprising a first inlet ...  
WO/2021/178786A1
A fluid pulse generator can include a fluid motor including a rotor that rotates in response to fluid flow, a variable flow restrictor positioned upstream of the fluid motor and including a restrictor member rotatable relative to a porte...  
WO/2021/178126A1
A method and apparatus for operating a debris collection tool (500). The tool includes a cover assembly (100) having a plurality of covers (120) spaced from one another along the length of the assembly creating a gap between adjacent cov...  
WO/2021/176205A1
A subsea line clamp assembly (1) has a body (10) having an axis and a clamp member (50), assembled in segments around a subsea line (3), and tethered to a subsea anchor (5). The clamp member (50) is movably located within the body (10). ...  
WO/2021/178480A1
A counter including a housing disposed about a tubular creating a space therebetween, a piston disposed in the space and responsive to pressure up events in the tubular to compress a transfer chamber, a supply chamber fluidly attached to...  
WO/2021/175760A1
Method of fracturing subterranean, oil- and/or gas-bearing formations penetrated by at least a wellbore by injecting an aqueous fracturing fluid into a wellbore at a rate and pressure sufficient to penetrate into the formation, and to in...  
WO/2021/178391A1
Techniques for implementing a pipe deployment system that includes a pull head, which is to be secured to a pipe segment that includes tubing. The pull head includes a pull plate with a guide tab and a pull plate fastener opening. The pu...  
WO/2021/179016A1
An apparatus or a well tool for testing a blowout preventer (BOP) on a surface wellhead. The apparatus includes a sacrificial wellhead adapter, a top locking mechanism adapted to lock the adapter to a BOP riser, and a bottom locking mech...  
WO/2021/178847A1
An orienting sub including a hub retainer, a gun sleeve, a locking sleeve, and an electric conductor assembly. In several embodiments, the orienting sub couples a first perforating gun to a second perforating gun. The first perforating g...  
WO/2021/178943A1
An internal assembly (230) for a tool (200) includes a retainer (232) that at least partially defines an axial bore (238). The retainer (232) further defines a port (246) providing a path of fluid communication from an exterior of the re...  
WO/2021/177981A1
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump mechanically coupled to the electric motor, and a gas handling inverted shroud assembly.  
WO/2021/178817A1
A system and method for controlling a drilling rig, of which the method includes receiving a first message-based command from a supervisory system at a first gateway, determining a first system-specific command based on the first message...  
WO/2021/178861A1
Described herein is a method and techniques for subsurface monitoring. The system includes a downhole including a casting with a lumen, a wireless power transmitter within the casting, a micro-sensor cement mixture including a plurality ...  
WO/2021/096986A9
A lost circulation material (LCM) that includes whole date palm seeds. The whole date palm seeds LCM includes date palm seeds having lengths greater than 22. 6 millimeters (mm), date palm seeds having lengths in the range of 16 mm to 22....  
WO/2021/173037A1
The invention relates to oil-submersible equipment and can be used in bypass systems for submersible pump assemblies as an improved Y-tool. The present device has two branches at one end for connection to a submersible pump assembly and ...  
WO/2021/170653A1
A rotary drive (1) comprises at least one stage, the at least one stage comprising a stator (4) and a rotor (6), the rotor (6) disposed within the stator (4), wherein a cavity (16) is defined between the stator (4) and the rotor (6), and...  
WO/2021/174025A1
Disclosed herein are signal-transparent and actuator-transparent tubulars for use with downhole tubular strings are. The signal-transparent tubulars include a tubular connector configured to engage with and connect to a different downhol...  
WO/2021/170733A1
The invention relates to a device for detecting a content of critical gas in a cavity, in particular a mining chamber of a tunnel boring machine, comprising a separation module (224) by which a fluid fed in via an extraction line connect...  
WO/2021/168525A1
The present invention relates to an undersea system for offshore gas production in deep water with separation and re-injection of the water produced into a shallow aquifer using a simplified injection well, and flow of the dry gas throug...  

Matches 651 - 700 out of 155,079