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Patent Searching and Data


Matches 201 - 250 out of 153,282

Document Document Title
WO/2021/102270A1
A system for wireless transmission of power in deep subsurface monitoring includes a casing, an oscillating current source configured to energize the casing, and a wireless telemetry module disposed on the casing. The wireless telemetry ...  
WO/2021/101512A1
A flow rate control sequence for modulating the flow rate at the surface, so as to increase and/or reduce the rate of flow at specific times and increments so that the flow rate of the diverter material downhole is correspondingly reduce...  
WO/2021/102311A1
The invention relates to the fluid treatment, such as acid stimulation, of a subsea hydrocarbon well via a subsea wellhead/Christmas tree. Fluid is delivered directly to the subsea wellhead from a pumping vessel. Control of the delivery ...  
WO/2021/041009A3
This invention introduces a torque wrench 1 that has a plurality of modules 25 of integrating spinner rollers and clamping dies into an upper wrench 3 able to directly clamp on tool joint area of a tubular drill string or other threaded ...  
WO/2021/097572A1
A system, apparatus, and method for determining intact versus fractured rock zones based on performance monitoring of an electric drilling 5 machine when drilling a blasthole. The determination can be based on a calculation of compensate...  
WO/2021/101932A1
Novel biocompatible Fenton-catalytic nano-particulate composites preferably based on nanoparticle (NP)-based catalysts, one or more reducing agents, and one or more peroxide compounds are formulated to take advantage of their ability to ...  
WO/2021/101578A1
A downhole apparatus comprises a casing string with a removable plug therein to block flow therethrough. A flow barrier is positioned in the casing below the removable plug and the removable plug and the flow barrier defining a buoyancy ...  
WO/2021/102025A1
A power end assembly includes a crankshaft section, a crosshead section, and a connector section coupled together by one, two, or more sets of stay rods. The power end may include one or more support plates that are coupled to the cranks...  
WO/2021/102485A1
A single-use sealing bush which is adapted to form a sealing interface between a rock bolt and a nozzle of a grout delivery system, the sealing bush including a cylindrical body defined between a first end and a second end; a hole in the...  
WO/2021/098999A1
The invention relates to a hydraulic fracturing pump apparatus having at least one single-shaft or multi-shaft gas turbine as a prime mover; having at least one fracturing pump which is drivingly connected to the at least one gas turbine...  
WO/2021/097565A1
Methods and systems for removing drilling fluid from wet drill cuttings are described. According to some embodiments, the method comprises: at a pressure above atmospheric pressure: using an internal combustion engine, combusting an air-...  
WO/2021/101387A1
Method for connecting a termination hub (201a) to a porch hub (101a) at a subsea location by using a subsea fluid connection system (1). The connection system (1) comprises a porch part (100) with the porch hub (101a), a termination part...  
WO/2021/101754A1
A hydraulic fracturing valve control system includes an electric powered, multi-plunger hydraulic fracturing pump (202). The system also includes a manifold (206) coupled to the hydraulic fracturing pump. The system includes a valve asso...  
WO/2021/097972A1
Disclosed is a drill bit providing a combined effect of an induced load and an abrasive jet. The drill bit utilizes an outer annular drill bit (2) for pilot bore rock breaking, utilizes a center drill bit (3) mounted at the middle of the...  
WO/2021/096540A1
A method and system for locating a reflector in a formation. The method may comprise broadcasting a sonic waveform as a shear formation body wave or a compressional formation body wave into the formation, recording a reflected wave from ...  
WO/2021/093976A1
A method comprises obtaining one or more first reservoir properties of a first production zone within a first wellbore, correlating the one or more first reservoir properties with a set of reservoir properties having a corresponding set ...  
WO/2021/092978A1
A mining method and a mining device for a marine natural gas hydrate. The mining method comprises the following steps: 1. after construction of a vertical well is complete, constructing a fixed pipe (8), setting up a mining well in the c...  
WO/2021/097198A1
A directional tool and method of surveying a wellbore with the directional tool in a borehole string. A first sensor of the directional tool is disposed in a non-homogeneous ambient magnetic field. A first applied magnetic field is appli...  
WO/2021/096485A1
The disclosure presents a process for sharpening an image data representation of collected measurements from a subterranean formation. The sharpening process utilizes an azimuthal filter applied to azimuthal radial ranges around a boreho...  
WO/2021/094582A1
A downhole tool (1) for manipulating a target, includes a housing (2). The housing includes an inner surface (5) configured for mounting to a tubular carrier; and an outer surface (10). At least one chamber (20) is provided between the i...  
WO/2021/046436A9
A lost circulation material (LCM) that includes spheres having radially distributed hooks and latches to facilitate engagement (such as interlocking) of the spheres is provided. Each sphere has a plurality of hooks and a plurality of lat...  
WO/2021/094514A1
An inner pipe centraliser assembly (100) for a double wall pipe, the inner pipe centraliser assembly comprising a plurality of spring forms (110), wherein each spring form of the plurality of spring forms comprises one or more inner slid...  
WO/2021/096910A1
Methods and systems for performing cleaning operations in boreholes penetrating earth formations are described. The methods include obtaining parameter information related to one or more angles of inclination, comparing the obtained para...  
WO/2021/097236A1
Systems for forming or extending a tunnel or shaft within a working surface may include a ram accelerator assembly for accelerating a projectile into geologic material to weaken a region of the geologic material. A cutting tool may then ...  
WO/2021/096519A1
Seal elements for establishing fluid seals in a wellbore may be constructed of expandable metal materials. For example, an elongated gland of expandable metal may replace some or all the components in a packing stack of a locking mandrel...  
WO/2021/093751A1
A construction method for a tunnel in a transverse semi-soft and semi-hard section stratum, comprising: S1, constructing a pre-buried advanced pipe shed (13) in the area on a tunnel face corresponding to a tunnel arch portion; S2, constr...  
WO/2021/093122A1
Disclosed is a method for reducing withdrawal roadway roof pressure at the end of coal face mining, comprising the following steps: step 1, determining an optimum distance between a final fracture position of a main roof (1) of a coal fa...  
WO/2021/096983A1
A geomechanically integrated model of stimulated rock volume (SRV) of subsurface formations in an area of interest for hydrocarbon production is formed. The methodology for forming the model takes into account geomechanical effects of in...  
WO/2021/097414A1
Apparatus and methods for controlling rate of penetration (ROP) through a subterranean formation by drilling equipment to drill a wellbore. An apparatus may be a control system comprising a plurality of sensors operable to facilitate ope...  
WO/2021/094717A1
A subsea rotating control device (RCD) system (1; 2) adapted to permit a tubular work string to pass there through such that there is an annulus created between the inner throughbore of subsea rotating control device (RCD) system (1; 2) ...  
WO/2021/092945A1
Disclosed is a new eccentric water distributor capable of performing seal inspection under pressure. The new eccentric water distributor comprises the main body (10), wherein a working hole (20) is provided in the main body in the direct...  
WO/2021/096644A1
A method, system and computer readable instructions for video encoding comprising, determining one or more region of interest (ROI) parameters for pictures in a picture stream and a temporal down sampling interval. One or more areas outs...  
WO/2021/096775A1
Aspects of the present disclosure relates to disruptive coupling systems and methods, and apparatus thereof, for subsea systems. The subsea systems may be subsea oil and gas systems. In one implementation, a subsea system includes a subs...  
WO/2021/097017A1
A technique facilitates simplified cementing operations in a borehole with fewer trips downhole. The technique utilizes a cementing system having a stage cementing collar in combination with a cup tool. According to an embodiment, the st...  
WO/2021/092946A1
A petroleum drilling blocking apparatus having a rubber expandable in oil. A formula of the rubber expandable in oil comprises, in parts by weight: 15-18 parts of an ethylene propylene diene monomer rubber, 2-5 parts of carbon black, 1-3...  
WO/2021/097103A1
Embodiments of the disclosure provide a system and method for treating a casing-casing annulus (130) of a wellbore using a sealant material (160). The sealant material is heated to a first temperature, equal to or greater than the meltin...  
WO/2021/096531A1
A system includes an electric submersible pump (ESP) configured for pumping fluid through a flow path. An autonomous inflow control device (AICD) is included in fluid communication with the flow path to separate one of gas or liquid out ...  
WO/2021/096537A1
An electric submersible pump assembly. The electric submersible pump assembly comprises an electric submersible pump comprising a pump intake and a tubing configured to provide continuous fluid communication between a discharge side of t...  
WO/2021/096704A1
A low cost, disposable, molded reinforcing insert which has a metal ring or a circular arrangement of threaded metal inserts encased therein, a low cost disposable stripper rubber for drill pipes or other tubulars which includes the mold...  
WO/2021/097011A1
A torque transfer system includes a drive shaft threaded into a housing. The drive shaft includes shaft splines. The housing includes housing splines. A sleeve includes inner splines and outer splines. The inner splines are configured to...  
WO/2021/093123A1
A roadway wall displacement measurement device and method. The device comprises a particle emitting source (1) used for emitting charged particles, a first space used for selecting the charged particles having a specific speed, a particl...  
WO/2021/094809A1
Cup tester unit (1) comprising BOP test plug (20) insertable into a casing head housing (40), for sealing a space of drilling systems (100) above the BOP test plug (20); a hanger (10) connected to the lower end of the BOP test plug (20);...  
WO/2021/096493A1
A system for communicating downhole measurements may comprise a remote wireline system connected to a wellhead. The remote wirelines system may further comprise a base support, a spool frame attached to the base support, a spool attached...  
WO/2021/096876A1
Methods, systems, and computer-readable medium to perform operations including determining, in real-time, values of drilling parameters of a drilling system drilling a wellbore. The operations further include calculating, based on the va...  
WO/2021/096364A1
The invention relates to a device for use in a wellbore, the device comprising a dissolvable material for being dissolved over a limited time period, wherein the device further com-prises an electrically insulating material covering a po...  
WO/2021/096855A1
An anchoring device comprises a degradable substrate; and a ceramic biting member secured to an outer surface of the degradable substrate and configured for engagement with another member, the ceramic biting member comprising a ceramic m...  
WO/2021/096836A1
Hybrid energy harvesting devices that harvest vibrational energy over a broad frequency spectrum using several different energy harvesting mechanisms that are operable over different frequency ranges. In one embodiment, a device uses an ...  
WO/2021/094580A1
It is disclosed a satellite well structure (300) and method for expanding a subsea satellite well system. The subsea satellite well structure (300) comprising: - a seabed-based foundation (330) supporting a subsea wellhead (340); - a fir...  
WO/2021/096875A1
A packer assembly (100) includes a tubing string (114) disposed in a wellbore (130) and a packer (102) releasably coupled to the tubing string. The packer (102) includes a housing (106) releasably coupled to the tubing string, a packer s...  
WO/2021/096544A1
Surfactant mixtures include a cationic surfactant, an anionic surfactant, and a nonionic surfactant in a brine solution. The cationic surfactant may include at least one quaternary ammonium, at least one brominated trimethylammonium, or ...  

Matches 201 - 250 out of 153,282