Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 143,116

Document Document Title
WO/2018/156274A1
A leak identification system for a blowout preventer (BOP) system is provided. The leak identification system includes a plurality of sensors configured to monitor one or more conditions of the BOP system and a leak detection computer de...  
WO/2018/157053A1
A system, method and apparatus for autonomous data collection from variable frequency drives (VFD) is described. The system includes at least two embedded control systems, each built on a commercial platform, with customized components i...  
WO/2018/156272A1
A method and apparatus for locating a collar of a casing of a wellbore is disclosed. A sensor for measuring a magnetic field is conveyed through the casing on a tool string. A physical model is formed of a process of obtaining a magnetic...  
WO/2018/153226A1
There is provided a vibration reducing apparatus (10) for a percussive tool (60) having an axis of reciprocation. The apparatus comprises, a guide frame (38,38a,38b) and at least one member (50) extending across the axis of reciprocation...  
WO/2018/152622A1
Adjustable passive choke devices, systems, and methods for controlling fluid flow rate, pressure, or both, are provided. The adjustable passive choke devices may comprise a fluid conduit having a first end, a second end, and an interveni...  
WO/2018/156873A1
A system includes a housing section (18, 20) positioned within a wellhead area (14), the housing section (18, 20) also includes a removable wellhead bushing (50) arranged over at least one engagement feature (28) of the housing section (...  
WO/2018/156154A1
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a phosphonate. The treatment can be added to these systems in the ...  
WO/2018/152636A1
Methods and apparatus for identifying downhole dynamics in a drilling system are provided. Acceleration-detecting sensors are mounted at multiple locations near to a drill bit, such as at a drill collar. The sensors may be spaced 90° ap...  
WO/2018/153142A1
Disclosed are an output increasing system and an output increasing method for injecting internal combustion engine tail gas into an oil and gas reservoir, the system comprising a ground pressure boost unit and an underground output incre...  
WO/2018/156526A1
A control line assembly for coupling with a tubing or casing hanger of a wellhead assembly includes a support ring configured to couple with the tubing or casing hanger, and a tubular member configured to extend through a first bore disp...  
WO/2018/156003A1
The present invention describes a method for mapping optimum personalised routes for safe evacuation, based on gas diffusion algorithms, using fixed nodes disposed on tunnel walls that measure atmospheric variables such as toxic gas conc...  
WO/2018/156030A1
A pipe-gripper (1) adapted for connection to a manipulator (2) for the handling of a pipe or a pipe stand (3), comprising an elongated housing (11); a rotor (12) supported in the longitudinal housing (11), provided with a periphery (12c)...  
WO/2018/152968A1
Disclosed is a drilling tool automatic transfer apparatus of a drill used for continental scientific drilling. The drilling tool automatic transfer apparatus comprises a drill rod lifting system and a drill rod clamping and discharging s...  
WO/2018/156124A1
Reactivity mapping methods are provided. A method may include: analyzing each of a group of inorganic particles to generate data about physical and/or chemical properties of the inorganic particles; and generating correlations between th...  
WO/2018/156073A1
The present invention relates to a method for generating a drilling pattern for excavating a cavity in rock. The method comprises: - determining a face contour (FC) being a representation of the rock face to be drilled and constituting a...  
WO/2018/156977A1
A releasable tool using an electronic motor to drive a differential to engage or release a quick change sub that may be coupled to additional downhole tools, such as a perforating gun string.  
WO/2018/156122A1
Methods of wellbore cementing are provided. A method of designing a cement composition may include: selecting a target heat of hydration for a target time and temperature; selecting one or more cementitious components and a weight percen...  
WO/2018/156002A1
The present invention describes a method for estimating the state of alertness and consciousness in relation to a percentage of carboxyhaemoglobin (COHb) in the blood of persons who work in enclosed spaces and are exposed to intoxication...  
WO/2018/154264A1
A method for determining along-hole well depth of a wellbore. A value for a calibrated drill string length is calculated, by determining length of drill pipe sections which form a drill string, prior to insertion of the drill pipe sectio...  
WO/2018/156114A1
Methods of wellbore cementing are provided. A method of cementing may comprise: calculating a lime to silica correlation for two or more cementitious components of a cement composition; and adjusting a concentration of at least one of th...  
WO/2018/156175A1
A well tool to be oriented and secured in a wellbore without the external application of torque, and a well system incorporating the same. After installation of orientation casing and universal latch coupling casing, the self-orienting s...  
WO/2018/156142A1
Methods and system to calculate a skin effect using wellbore temperature measurements are described herein. In a generalized method, data corresponding to wellbore characteristics, reservoir characteristics, and a preliminary pressure dr...  
WO/2018/152615A1
Methods and apparatus of pressure activated completion tools for hydraulic fracturing and related processes are provided. In some embodiments, the hydraulic fracturing apparatuses for well testing and accessing subterranean formations ca...  
WO/2018/153926A1
The invention relates to a method and an expansion device for the mechanical expansion of a tunnel of a rail transport route comprising at least one railway track, from a first old cross-sectional profile to a second new cross-sectional ...  
WO/2018/156161A1
A method of dehydrating proppant by pressurizing a proppant silo that is filled with proppant and injecting gaseous nitrogen into the proppant silo to exhaust moisture from the proppant silo until the proppant is in a bone-dry condition ...  
WO/2018/152588A1
Apparatus for use in maintaining a desired orientation of an implement is disclosed. The apparatus comprises orientation sensing equipment operable to sense the orientation of the implement, and an orientation indicator operable to be mo...  
WO/2018/156117A1
Disclosed herein are phosphate accelerators for cement compositions with a reduced Portland cement content. A method of cementing may comprise: providing a low Portland cement composition comprising a pozzolan, a phosphate accelerator, a...  
WO/2018/153010A1
Provided is a solid heat storage electric-boiler two-stage heat-exchange oil-field steam-injection boiler heating system, comprising a heat-source heating system, a steam injection system, and a discharge pipe, said heat-source heating s...  
WO/2018/152648A1
A wireless communications system for a downhole drilling operation comprises a drill string, surface communications equipment, and a downhole telemetry tool. The surface communications equipment comprises a surface EM communications modu...  
WO/2018/152631A2
A combination cable guard and centralizer device, comprising (i) an arcuate-shaped elongate base member having tapered ends, a pair of first hinge-housing portions wherein each of said pair is at an opposite end of a first elongate edge,...  
WO/2018/156113A1
A well exploration, services and production architecture for access to one or more well exploration, services or production (ESP) applications may be configured such that standardization of the one or more components provides for operabi...  
WO/2018/156672A1
Systems and methods for monitoring cement quality of a cased well include conducting a cement-bond logging and a first pulsed neutron (PN) logging to generate a cement-bond log (CBL) and first pulsed neutron log (PNL) for the well, deter...  
WO/2018/156132A1
A backscattered signal can be received from a sensing fiber that extends into a wellbore. The backscattered signal can have been generated based on an optical signal launched into the sensing fiber. A first delayed signal, a second delay...  
WO/2018/154087A2
Apparatus for gaining access to a well via a lateral access passage comprises a flexible conduit which is to be inserted into the well via the lateral access passage so as to deviate from a direction of lateral insertion to a generally d...  
WO/2018/156072A1
The present invention relates to a method for generating a drilling pattern for excavating a cavity in rock, the drilling pattern determining holes (x) to be drilled in a face (603) of the rock, the determination of the holes (x) to be d...  
WO/2018/157099A1
Treating a gas condensate reservoir having a porous formation material includes introducing a formation treatment fluid to the gas condensate reservoir and maintaining the formation treatment fluid in the gas condensate reservoir. The fo...  
WO/2018/156115A1
Methods of wellbore cementing are provided. A method of analyzing a solid particulate including: measuring a water requirement of the solid particulate; and determining an approximation of specific surface area of the solid particulate f...  
WO/2018/157144A1
Apparatus and methods for penetrating a downhole target within a wellbore include providing a body with a longitudinal axis, a first end, and a second end into a wellbore, the body having a nozzle at the first end. The nozzle is adapted ...  
WO/2018/154121A1
A system and a method for an offshore platform that is self-installing, not requiring use of a heavy lift vessel for installation at a site. The system has a built-in, retractable, suspended, conductor guide support frame assembly couple...  
WO/2018/152578A1
In an aspect, there is disclosed a system (100) for providing ventilation to a ventilated location (101) within a passageway (103). The system (100) includes: a duct (102) arranged to extend between an inlet location (104) to an outlet l...  
WO/2018/156346A1
Methods for forming fixed-cutter earth-boring drill bits include retrieving a forged steel drill bit body from an inventory of substantially identical forged steel drill bit bodies including fixed blades and junk slots between the fixed ...  
WO/2018/156116A1
Methods, systems, and compositions for wellbore cementing are provided. A method may comprise: analyzing an industrial byproduct and one or more additional components to generate data about physical and/or chemical properties of the indu...  
WO/2018/153477A1
A hydraulic system to control at least two hydraulic actuators via a metering control valve assembly. The hydraulic system is particularly advantageous to control a pivoting arm of an undercutting mining machine according to at least two...  
WO/2018/156155A1
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a polycarboxylate such as a polyepoxy succinic acid (PESA). The tr...  
WO/2018/156934A1
An energy converting device comprises an energy converting circuit which is provided on a substrate and configured to convert an input direct voltage into an output direct voltage higher than the input direct voltage, wherein the substra...  
WO/2018/154278A2
A connection apparatus (10) for mounting a cable to a structure such as a wind turbine or oil rig. The apparatus (10) comprising a receiving member (14) comprising a hollow body with a diverging mouth, a latch member (22) movably mounted...  
WO/2018/156343A1
A riser for a subsea well comprises a first riser section that may be similar to conventional risers in design and material specifications. A second riser section comprises a passive fracture section that is specifically designed to shea...  
WO/2018/152969A1
Disclosed is a spinner mechanism of an iron roughneck. The mechanism is provided with two groups of quadratic crank mechanism in parallel to ensure the motion posture of the spinner mechanism. Two guide draw-bar assemblies (17) of the me...  
WO/2018/152106A1
A submersible barge (100) comprising a variable buoyancy system (110), one or more thrusters (121), and a subsea navigation system and associated methods and systems.  
WO/2018/152385A1
A downhole tool (100) for use within a wellbore (110) extending into an underground formation includes a wellbore wall disengaging assembly (108) having a tubular string (102) defining a longitudinal axis, and a plurality of longitudinal...  

Matches 301 - 350 out of 143,116