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WO/2020/131083A1 |
A system or method for monitoring drilling fluid. The system may comprise a fluid supply, wherein the fluid supply houses a drilling fluid, a pump, wherein the pump is fluidly connected to the fluid supply, a dispensation unit, wherein t...
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WO/2020/132562A1 |
A sensor device (102) includes a tubular body (204) having a first end and a second end opposite the first end, a pressure plug (206) on the first end of the tubular body (204), and a sensor tip (202) on the second end of the tubular bod...
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WO/2020/131071A1 |
Systems and methods for adjusting well operations utilize measured values and curve fitting to determine predicted values of the gel strength of well-treatment fluids. The systems and methods are exemplified by first measuring a pluralit...
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WO/2020/131047A1 |
A sample handling system receives a downhole sample. The sample handle system conditions the sample using a separator and filters to allow discharge of unwanted liquids and particulates prior to flowing the sample to one or more analyzer...
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WO/2020/128664A1 |
A method for calculating a fluid flow in a given underground medium, the method including receiving (300) initial molar densities for components of the fluid; introducing (306) a scalar auxiliary variable r into an inhomogeneous Helmholt...
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WO/2020/124661A1 |
An evaluation device for hydrate-containing reservoir damage, comprising: a sample synthesis chamber (10), used for synthesizing a hydrate-containing reservoir; a stress-strain system, used for providing overlying stress and pore pressur...
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WO/2020/122856A1 |
An apparatus includes a central body having a longitudinal axis and a first extended member attached to the central body, wherein the first extended member extends away from the longitudinal axis. The apparatus also includes a first mech...
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WO/2020/123794A1 |
Systems and methods for controlling subsurface drilling operations are described. The methods include performing the subsurface drilling operation using a bottomhole assembly having a disintegrating device, detecting, with a sensor, a fo...
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WO/2020/124006A1 |
Techniques to improve the measurement of electromagnetic fields (146, 147) based on noise cancellation are disclosed. Sensors (40, 201, 202, 211, 210, 213, 1201, 1202, 1210, 1211, 1212 1213, 1220, 1230) placed at the earth's surface (30)...
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WO/2020/118784A1 |
A rotary self-drilling device for an extraterrestrial celestial body, wherein one end of a pressure sensor installation cylinder (10) is connected to a rear cover (7), a reed fixing lower cover (6) is installed on the rear cover (7), one...
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WO/2020/117207A1 |
A system to determine a contamination level of a formation fluid, the system including a formation tester tool to be positioned in a borehole, wherein the borehole has a mixture of the formation fluid and a drilling fluid and the formati...
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WO/2020/114003A1 |
A short pitch for measurement while drilling, comprising an integrated housing (100), a circuit connection pipe (200), a probe pipe component (300), a resistivity test component, a power supply component, a first control circuit element ...
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WO/2020/117219A1 |
The disclosed embodiments include methods to perform an in-situ determination of a formation property of a downhole formation, methods to operate a tool to perform an in-situ determination of formation properties of a downhole formation,...
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WO/2020/117202A1 |
A logging tool having a transmitter and receiver is positioned in a geological formation. While the logging tool is static, a transmit input signal is applied to a transmitter to cause the transmitter to induce a transmit output signal i...
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WO/2020/117231A1 |
Apparatuses and methods measuring properties of drilling fluids in which the drilling fluid is contained in a structure, and a measuring device and a processor are used to measure the properties. The measuring device is immersed within t...
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WO/2020/113296A1 |
The present invention provides a system that makes it possible to detect the watertightness or flooding of annular spaces of flexible pipes from a connector comprising: a piston (3) and cylinder (4) assembly connected by a shaft to a cha...
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WO/2020/112106A1 |
The disclosed embodiments include downhole sample extractors and downhole sample extraction systems. In some embodiments, the downhole sample extractor includes a sample container chamber that holds a sample container containing a downho...
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WO/2020/112131A1 |
A method and system for measuring drilling fluid filtrate. The method may comprise disposing a downhole fluid sampling tool into a wellbore at a first location, activating a pump to draw a solids-containing fluid disposed in the wellbore...
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WO/2020/112135A1 |
A method and system for determining fluid contamination. The method may comprise monitoring a fluid sample, wherein the fluid sample comprises a reservoir fluid contaminated with a well fluid, and obtaining input parameters, wherein the ...
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WO/2020/112091A1 |
A method and a system for estimating a pipe property for a plurality of nested pipes. The method may comprise determining the pipe property from the plurality of measurements, wherein the pipe property identifies a feature in the wellbor...
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WO/2020/106446A2 |
A method for transforming an earth formation and/or production equipment based on correcting nuclear magnetic resonance (NMR) data to account for partially water-saturated rock includes: receiving NMR logging data having echo-trains for ...
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WO/2020/106365A1 |
In a fracture pressure transmission test apparatus utilizing fracture simulating slotted discs, the apparatus can assess the effectiveness of a lost circulation material (LCM) in a test fluid, allow for the assessment of the ability of t...
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WO/2020/101688A1 |
A method includes activating a first electromagnetic source at a first frequency, acquiring a first set of electromagnetic measurements from a first fiber optic electromagnetic sensor in a first well, wherein the first fiber optic electr...
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WO/2020/101653A1 |
A method and system for estimating a mud angle. A method may comprise disposing a downhole tool into a borehole, energizing a button array, transmitting a current from the electrode into a formation, recording the current from the format...
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WO/2020/101710A1 |
The disclosed embodiments include systems and methods to perform in-situ analysis of reservoir fluids. In some embodiments, the system includes a first vial containing a first insulating cylinder having a first internal cavity for storin...
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WO/2020/102307A1 |
Certain methods to determine wellbore relative permeability ratio from wellbore drilling data are described. A section of a wellbore is drilled in a subterranean zone including a subsurface reservoir in which hydrocarbons are entrapped. ...
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WO/2020/100203A1 |
Provided is a core sampling device that is capable of accurately and reliably measuring the tilt of a core in a section in which the core is sampled. The core sampling device is provided with: a core sampling device body (1) attached to ...
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WO/2020/096874A1 |
A percussion side wall core (PSWC) bullet has a central axis, a leading end, and a trailing end axially opposite the leading end. In addition, the bullet includes a first portion extending axially from the leading end of the bullet. Furt...
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WO/2020/096570A1 |
An apparatus includes a subsurface sensor in a borehole to provide a measurement series, a first processor, and a machine-readable medium having program code. The program code causes the apparatus to obtain the measurement series and gen...
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WO/2020/096571A1 |
An apparatus includes a subsurface sensor for use in a borehole to provide a subsurface measurement series, a subsurface processor to receive the subsurface measurement series, and a machine-readable medium. The machine-readable medium h...
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WO/2020/096572A1 |
An apparatus includes a processor and a machine-readable medium having program code to cause the apparatus to obtain a first dictionary based on a first training set of signals and determine a first subset of the first training set of si...
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WO/2020/087131A1 |
A method and system of classifying a geological site such as a drillhole which involves combining the outputs of classifiers assigning strands to sample analyses, wherein the combination can be weighted and constrained by strand sequence...
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WO/2020/087861A1 |
A coalbed methane horizontal well hole collapse de-stressed mining simulation test method. A coal reservoir is constructed by means of reconstruction of a coal measure strata structure and simulation of a similar material simulation subs...
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WO/2020/092759A1 |
A boring method is provided and can include directing a laser beam at an exposed face of a bulk target in a longitudinal direction. The laser beam can be configured to liquefy and/or gasify the target within the laser beam. The method ca...
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WO/2020/088389A1 |
Disclosed are a method and device for computer-based autonomous planning of drilling track for petroleum gas reservoir as well as a storage medium. The method comprises: acquiring a distribution image of petroleum gas reservoir (S101); c...
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WO/2020/086874A1 |
Methods and systems are provided that predict electromagnetic properties of drilling mud and a formation, which involve a logging tool that measures current injected into a measurement zone adjacent a sensor electrode at multiple frequen...
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WO/2020/081156A1 |
A method for identifying a location of a distributed acoustic system channel in a distributed acoustic system. The method may comprise generating a two or three dimensional layer model interface with an information handling system, prepa...
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WO/2020/081370A1 |
A method may comprise recording a first reflected waveform with a first transducer to form a first data set from a first excitation, recording a second reflected waveform with a second transducer to form a second data set from a second e...
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WO/2020/081825A1 |
A method includes receiving first fluid property data from a sample flowline of a focused sampling system and receiving second fluid property data from a guard flowline of the focused sampling system. The sample flowline and the guard fl...
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WO/2020/078003A1 |
Disclosed is a time-domain transient electromagnetic wave well logging far-boundary detection method, related to the field of oil exploration, comprising the following steps: step 1: establishing a stratum model, designing a transmitting...
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WO/2020/081275A1 |
A method of analyzing a well sample for a well treatment additive includes contacting the sample with functionalized metallic nanoparticles that contain metallic nanoparticles functionalized with a functional group including a cyano grou...
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WO/2020/081458A1 |
A method and system for reducing transducer ringing. The method may comprise identifying a first set of waveforms and a second set of waveforms from recorded waveforms taken by a transducer, estimating an invariant component for each wav...
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WO/2020/076335A1 |
Methods and systems for determining whether a base oil for use in drilling muds will be compatible with cement during subsequent cementing operations are provided. In some embodiments, the methods include: providing a drilling fluid that...
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WO/2020/076524A1 |
Small footprint, portable skid mounted wellhead desander systems are disclosed. In one version, two systems are mounted on the skid, one system being a single well system for testing various properties of well fluids, and the other being...
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WO/2020/076286A1 |
Fluid characteristics of a well fluid can be monitored. For example, a computing device can receive sensor signals from an acoustic sensor positioned on a well tool. The sensor signals can indicate characteristics of acoustic emissions g...
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WO/2020/072077A1 |
A method and system for estimating clean fluid composition and properties. A method may comprise disposing a downhole fluid sampling tool into a wellbore, wherein the downhole fluid sampling tool comprises optical instrumentation, obtain...
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WO/2020/070571A1 |
A physics-preserving, implicit pressure, explicit saturation method for simulation of incompressible and immiscible two-phase flow in heterogeneous porous media with capillary pressure, includes receiving (1200) input data that character...
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WO/2020/071918A1 |
There is described a tool assembly (1) for performing formation stress testing in an open-hole section of a borehole (501), wherein the openhole section of the borehole (501) is to be provided with, or already have been provided with, a ...
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WO/2020/068326A1 |
A distributed acoustic sensing (DAS) system is coupled to an optical fiber along a plurality of channels. The system generates a DAS seismic profile of the subsurface formation based on detected seismic data, identifies at least one regi...
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WO/2020/060729A1 |
A system includes a processing device and a non-transitory computer-readable medium having instructions stored thereon that are executable by the processing device to cause the system to perform operations. The operations include generat...
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