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WO/2020/256746A1 |
A method may comprise forming a data matrix, extracting chromatographs of a mud filtrate and a formation fluid, extracting concentration profiles of the mud filtrate and the formation fluid, and decomposing a data set on an information h...
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WO/2020/254458A1 |
A down the hole drilling assembly comprising a drill tube adapter, an elongate casing, a fluid powered piston, a top working chamber, a bottom working chamber, a top sub and an exhaust system wherein the exhaust system (58) is moveable w...
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WO/2020/249940A1 |
A circulation valve for a well, with a housing allowing fluid flow with an outlet from the housing and a control sleeve controlling flow through the outlet. A support member supports the control sleeve, closing the outlet when the valve ...
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WO/2020/251630A1 |
Method of arranging proppant in a fracture of a subterranean formation are disclosed. The methods can include (a) introducing a first fluid blend through a wellbore and into the fracture to form a first proppant bank in the fracture, and...
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WO/2020/249028A1 |
A double-flow-channel fluid injection apparatus, comprising a main shaft (1), a bearing housing (2), and a seal box (3). The main shaft (1) comprises an outer tube (10) and an inner tube (11). An internal hole channel of the inner tube (...
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WO/2020/251578A1 |
A downhole treatment system, apparatus, and methods are disclosed. In some embodiments a treatment apparatus includes a first conduit configured to transport a first fluid from a first fluid source through a first enclosed channel to a f...
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WO/2020/252494A1 |
Disclosed is a compressor system suitable for carrying out artificial gas lift operations at an oil or gas well. Also disclosed is a method for controlling the compressor system. The methods disclosed provide the well operator with the a...
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WO/2020/249027A1 |
A temperature-controlled automated online drilling fluid rheology measurement apparatus, relating to the field of drilling fluid rheology measurements. The apparatus comprises a pump (1), a heating means (2), a flow meter (3), and two re...
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WO/2020/251820A1 |
For a wellbore drilled in low or subnormal pressure reservoirs, a static loss rate of drilling fluid is monitored within a limit of a drilling rate. Reaching the limit, the annulus is closed off to returns, or the annulus remains open to...
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WO/2020/246541A1 |
The purpose of the present invention is to provide a drilling fluid that has excellent cutting transportability and hole cleaning capability and places little burden on the environment.　Disclosed is a drilling fluid comprising water, b...
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WO/2020/247250A1 |
A method and apparatus for determining a gas influx into a wellbore. A work string defining an inner bore area and an annulus area, with a pair of inner bore sensors in the inner bore and a pair of annulus sensors in the annulus. A proce...
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WO/2020/245881A1 |
The present invention improves the ability to transport cuttings S above ground while suppressing an influence on cost. This pit drilling method has a feature of adding, to a liquid for drilling, a plurality of capsules C that have been ...
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WO/2020/247050A1 |
Control of a drilling system drilling a wellbore is improved using a hydraulic model corrected for pressure losses. A surface backpressure of the outlet and a standpipe pressure of the inlet are measured with sensors in the system. An es...
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WO/2020/247325A1 |
An apparatus for separating fluids and controlling flow of production fluid includes a support structure configured including a fluid conduit and a tubular assembly disposed at the support structure. The tubular assembly includes an oute...
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WO/2020/246992A1 |
Apparatuses and methods measure a specified volume of a drilling fluid for a test sample. An electrical parameter of the test sample is measured; and a chemical formulated to effect a change in the electrical parameter of the test sample...
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WO/2020/239642A1 |
A downhole actuator (16) includes a piston (15) within a chamber (17) on which fluid can act on either side to hydraulically activate the actuator. A hydrostatic equilibrium device (18) and a valve (14) are mounted around the hydraulic a...
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WO/2020/238206A1 |
Disclosed is a multi-impeller passive rotary stirring type open caisson rotary drill bit, mainly used for the drilling and pouring construction of the caisson in the middle tower of a bridge by the reverse circulation drill, comprising a...
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WO/2020/242480A1 |
A system includes an extraction system having an inlet channel and an outlet channel to receive fluid and to output processed fluid. The system also includes an extraction device to capture a first sample of fluid from the inlet channel,...
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WO/2020/237150A1 |
Real-time field data that is associated with a hydrocarbon reservoir drilling field is obtained. A carrying capacity index (CCI) and a cutting concentration annulus (CCA) are determined based on the real-time field data. In response to d...
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WO/2020/236226A1 |
Methods and systems involving thermal desorption of an oily slurry are provided. In some embodiments, such systems include a desorption: vessel including, an inner chamber; a heating unit: disposed adjacent to the desorption vessel confi...
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WO/2020/233473A1 |
A drilling rig and a matching drill pipe (5) for use with same. The drilling rig comprises a gear-type pneumatic motor (1), a decelerator (2), a power shaft (3), a rotary seal device (4) and a matching drill pipe (5) for use with same. A...
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WO/2020/237152A1 |
Methods, systems, and computer-readable medium to perform operations including: obtaining, in real-time from one or more sensors of a drilling system, real-time drilling data of a drilling operation of drilling a wellbore; using the dril...
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WO/2020/232100A1 |
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; calculating, based on the values of the drilling parameter...
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WO/2020/232035A1 |
Systems and methods for unsticking a tubular string (104) in a subterranean well (100) that is a stuck pipe include securing a circulation sub (116) to an uphole end of the tubular string (104) outside of the subterranean well. The buoya...
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WO/2020/231444A1 |
A drill bit may comprise a bit body including an electronic housing, one or more electronics coupled within the electronic housing, a transducer housing coupled to the electronic housing, a first transducer seated in the transducer housi...
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WO/2020/231486A1 |
A pump fluid end comprising a discharge valve assembly comprising a discharge valve seat and a discharge valve body, a suction valve assembly comprising a suction valve seat and a suction valve body, and a reciprocating element, wherein ...
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WO/2020/231996A1 |
A closed-loop hydraulic drilling system generates choke characteristic curves or data that more accurately reflects the relationship between the commanded choke valve position and the resulting pressure drop across the choke valve for a ...
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WO/2020/231400A1 |
Methods and systems for treating wellbores. An example method includes introducing an acidic treatment fluid into the well; wherein the acidic treatment fluid comprises an acid and a first aqueous base fluid. The method further includes ...
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WO/2020/232122A1 |
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; calculating, based on the values of the drilling parameter...
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WO/2020/226607A1 |
Provided are systems and methods that relate to separating drilling waste fluids. A method for separating a drilling waste fluid, the method comprising: introducing the drilling waste fluid into a thermal extraction chamber; allowing the...
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WO/2020/227423A1 |
A multi-pump pump system includes at least two pumps (1401), (1402) and a system pulsation dampener (1405) sized and configured to reduce a magnitude of pressure pulsations within a combined flow output by the at least two pumps, togethe...
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WO/2020/223825A1 |
Methods, systems, and storage media are presented for operating a drill string within a well. Exemplary implementations may: detect, using one or more sensors, data representing an analog control command sequence; analyze the analog cont...
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WO/2020/227223A1 |
A fluid delivery system including at least a housing (1302) for a charge-free pulsation dampener of a type utilizing elastomeric compression material (1102), but without the compression material therein, includes a system pulsation dampe...
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WO/2020/226606A1 |
Provided are systems and methods that are related to a fluid processing unit. A method for separating a drilling waste fluid, the method comprising: introducing drilling waste fluid into a thermal extraction chamber; allowing drilling wa...
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WO/2020/225542A1 |
An actuatable sealing mechanism ( 1030, 1034, 1038; 2030, 2034, 2038; 3007 ) for sealing a fluid channel ( 1024; 2024; 3013 ) provided between two co-axially arranged tubular members ( 1010 & 1100, 1200, 1300; 2010 & 2100, 2200, 2300; 30...
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WO/2020/226714A1 |
Methods and compositions for treating aqueous fluids that may be included in treatment fluids that are used for treating a subterranean formation. In some embodiments, the methods include: providing a treatment fluid including an aqueous...
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WO/2020/222860A1 |
A drill fluid containment device may include a first shell configured for articulating along an axis between a closed position and an open position and a second shell configured for articulating along the axis between a closed position a...
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WO/2020/222890A1 |
A vibration assembly includes a valve above a rotor and stator. The rotor rotates within the stator as fluid flows therethrough. The valve includes a rotating valve segment, which rotates with the rotor, and a non-rotating valve segment ...
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WO/2020/222772A1 |
Systems and methods of the disclosed embodiments include taking a first sample of a drilling fluid at a first time, measuring, with a rheometer, a first viscosity dial reading of the first sample, taking a second sample of a drilling flu...
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WO/2020/217966A1 |
Provided is an additive for a cement slurry for a well that is capable of suppressing the generation of free water and preventing flotation/separation of low-specific-gravity aggregate while securing sufficient cement strength even at a ...
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WO/2020/219080A1 |
The embodiments include float equipment assemblies and methods to isolate downhole strings. In one embodiment, a float equipment assembly includes an inner string that provides a fluid flow path through the float equipment assembly. The ...
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WO/2020/214207A1 |
A pressure generating device for use in downhole drilling operations includes a rotating valve portion having a first body with at least one first flow channel, and a stationary valve portion having a second body with at least one second...
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WO/2020/214180A1 |
Systems and methods for treating a subterranean formation with particulate additives that may be useful in removing filtercake and/or mitigating premature fluid loss from the subterranean formation are provided. In some embodiments, the ...
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WO/2020/214147A1 |
Embodiments of the present disclosure describe a system for capturing dust and dust-laden air caused by the agitation, movement or transfer of particulate material. The system includes a dust collection assembly positioned proximate and ...
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WO/2020/214046A1 |
The invention relates to the field of handling, reusing and decontaminating drilling fluids during the drilling of oil and gas wells, and also to the field of recycling waste into building materials. The technical result of the proposed ...
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WO/2020/213821A1 |
The present invention is to provide a device for controlling the risk factors caused by a sudden gas ejection or gas explosion between gas field production and a production test by blocking upper and lower portions of a reservoir section...
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WO/2020/207616A1 |
In a method and a device (1) for drilling holes, in particular by means of percussive or rotary percussive drilling, in ground material or rock material (3), wherein a bore crown (5) mounted on a drilling rod (4) forms a borehole (2) and...
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WO/2020/208113A1 |
The present invention relates to an apparatus (100) for increasing a pressure of a working fluid (AF) for a drilling system (150) for drilling a borehole (160). The apparatus (100) has a tubular housing (120) for mounting in a tubular dr...
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WO/2020/201322A1 |
An automated system for use in well control comprises a controller configured to receive an input signal indicative of a fluid flow rate or fluid volumetric rate from a wellbore. The controller is configured to determine from the input s...
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WO/2020/205461A1 |
A drill rig having a longitudinal drilling axis, a front portion, and a rear portion can comprise a feedframe aligned with the longitudinal drilling axis, a first head assembly coupled to the feedframe and configured to rotate a drill st...
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