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WO/2017/011510A1 |
A mud sag monitoring system may be configured for real-time evaluation of sagging potential of a circulating mud. The monitoring system may include both physics-based sagging prediction models and data-driven sagging detection classifier...
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WO/2017/011509A1 |
Two control strategies may be implemented to optimize mud circulation in a drilling mud circulation system. In a networked control strategy, the mud circulation system does not involve any centralized controller yet all the local control...
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WO/2017/011516A1 |
Methods and systems for enhancing workflow performance in the oil and gas industry may estimate the properties of drilling muds (e.g., density and/or viscosity) located downhole with methods that utilize real-time data, estimated drillin...
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WO/2017/011514A1 |
Methods and systems for enhancing workflow performance in the oil and gas industry may include modeling preferred sensor locations, sensor types, and sampling frequency for effective and efficient monitoring of a mud circulation system. ...
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WO/2017/007732A1 |
A coal seam producibility determination system is disclosed. The coal seam producibility determination system may include a fiber optic cable, the fiber optic extending from a DAS interrogation unit into a wellbore. The DAS interrogation...
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WO/2017/003419A1 |
It can sometimes be difficult to determine accurately the in-process degassing efficiency of a drilling fluid, thereby leading to inaccurate feedback from an ongoing drilling operation. Methods for determining degassing efficiency of a d...
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WO/2017/003485A1 |
A system may include a sensor to detect a characteristic of a fluid and output an electrical signal proportional to the characteristic, an acoustic signal generator to output an acoustic signal proportional to the electrical signal, and ...
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WO/2017/003500A1 |
A downhole gas detection tool includes a housing; a first test module that includes a first fluid test chamber operable to fluidly couple to an annulus of a wellbore to receive a first portion of a wellbore fluid, the first test module f...
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WO/2016/209208A1 |
A method for analyzing particles that may include collecting an image of a substrate including a size tracer and a plurality of particles thereon; processing the collected image; and outputting a particle analysis of at least a portion o...
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WO/2016/209269A1 |
A method for use with a subterranean well can include modeling multiple fluid types in an annulus formed between casing and an earth formation penetrated by a wellbore, inverting electromagnetic data acquired by sensors in the well, and ...
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WO/2016/209303A1 |
A first wellhead fluid sample is collected from a petroleum well. Multiple geochemical water analysis (GWA) tests are preformed to form GWA water analysis data. The GWA tests determine physical properties of, and one or more geochemical ...
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WO/2016/209265A1 |
Systems and methods for identifying formation layer boundaries on well log measurements using a second derivative of the last iteratively smoothed well log measurements and a fluctuation index to determine the extent of smoothing.
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WO/2016/200379A1 |
Various embodiments include apparatus and methods to execute corrective product addition treatment or surface treatment to a wellbore fluid based on performing an artificial intelligence technique and/or a closed form 5 solution with res...
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WO/2016/196425A1 |
A suspended fluid sampling and monitoring system includes a BOP, the BOP attached to a wellhead. The BOP is positioned above a wellbore. The suspended fluid sampling and monitoring system further includes a TEC, the TEC connected to a se...
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WO/2016/195630A1 |
Calibration tools and procedures that provide calibration to galvanic tools can include use of measurement tools to measure resistivity of a calibration box. The resistivity of the calibration box can also be measured by a galvanic tool ...
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WO/2016/193732A1 |
A method of determining the presence of hydrocarbon-filled natural fractures with sufficient lateral extension in a well in which stimulation by hydraulic fracturing is intended to be carried out. Following perforation of an interval, a ...
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WO/2016/197011A1 |
A system and method of sensing fluid in a wellbore, where fluid along a range of radial locations in the wellbore is diverted along a flow path that runs adjacent a fluid sensor. Diverting the fluid from the range of radial locations pro...
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WO/2016/195693A1 |
A method of fabricating an optical computing device using a photonic crystal-based integrated computational element is provided. The method includes selecting a photonic crystal structure with a design suite stored in a non-transitory, c...
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WO/2016/191460A1 |
Methods and systems for maintaining stability of contaminated drilling muds within a desirable range by chemical and/or physical treatment. In one aspect, a method includes injecting a drilling mud in a subterranean zone, the drilling mu...
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WO/2016/186689A1 |
Some examples of pyrolysis to determine hydrocarbon expulsion efficiency of hydrocarbon source rock can be implemented by performing an open system pyrolysis of a hydrocarbon source rock sample obtained from a natural system. Sample incl...
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WO/2016/186616A1 |
Various embodiments relate to methods, apparatus, and systems for injecting and detecting compositions in drilling fluid systems. In various embodiments, the present invention provides a method of injecting and detecting a composition in...
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WO/2016/186626A1 |
A method for determining the volume of core samples disposed within a sealed pressure vessel, the sealed pressure vessel containing a prefill fluid having a density, the method including determining the internal volume of the pressure ve...
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WO/2016/186669A1 |
The present disclosure relates to systems and methods for analyzing fluids. The method for analyzing a chemical sample within a wellbore, contained within an interrogation device, may comprise broadcasting a coherent light from a frequen...
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WO/2016/183286A1 |
The invention relates to systems, processes and apparatuses for determining a rig-state of a drilling rig during a wellbore drilling operation and detecting and mitigating drilling dysfunctions. These systems, processes and apparatuses p...
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WO/2016/179183A1 |
A system and method of estimating properties of a wellbore fluid that directs the fluid through a cavity, and generates acoustic waves in the fluid while in the cavity. The acoustic waves are generated by oscillating an electroactive mat...
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WO/2016/178094A1 |
Predicting and quantifying free silicon (108) in a geological formation (100) generates free silicon data (206) for a physical sample (102, 104) obtained from within the geological formation (100). The free silicon data include identific...
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WO/2016/177770A1 |
A downhole fluid properties analysis device (51) is connectable to a downhole sampling flow line (8). The downhole sampling flow line (8) has an internal diameter between 2 to 15 mm adapted to let flow the fluid (3) to be analyzed. The f...
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WO/2016/178684A1 |
A borehole inspection device and method of using the same to measure the condition of the bottom extent of a borehole, the system having a head unit assembly with top and bottom sides and including at least one downwardly extending force...
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WO/2016/176153A1 |
A method for coring a subterranean wellbore includes rotating a coring assembly in the wellbore to drill and core the well. The coring assembly includes a coring bit, a core barrel, and a measurement sub. A plurality of dynamics measurem...
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WO/2016/175889A1 |
An image processing module (122) acquires an image of a slice (106) a rock sample (102) having a network of pores, a transformation module (124) transforms the image into a binary matrix and determines a set of statistical moments of the...
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WO/2016/176257A1 |
An embodiment of an apparatus for estimating and displaying formation and formation fluid properties includes a sampling device coupled to borehole fluid, the borehole fluid including hydrocarbons released from a region of the formation ...
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WO/2016/175830A1 |
A downhole control method for use in a wellbore that includes deploying a stand-alone power source and a stand-alone hydraulic reservoir downhole; powering a downhole controller using the stand-alone power source; measuring a downhole fl...
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WO/2016/175827A1 |
A downhole control method for use in a wellbore that includes deploying a first stand-alone hydraulic reservoir downhole; measuring a first downhole fluid parameter; and actuating a first inflow control device, based on the first measure...
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WO/2016/171655A1 |
It can sometimes be difficult to quantify the amount of polymer present in a subterranean treatment fluid, particularly at a job site. Methods for analyzing a treatment fluid for a polymer can comprise: receiving a sample of a treatment ...
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WO/2016/171699A1 |
An optical computing device uses a moveable assembly to simultaneously analytic and compensation signals to determine sample characteristics in real-time. In one embodiment, the moveable assembly is a rotating carousel including at least...
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WO/2016/165813A1 |
A system for sampling a drilling fluid exiting the wellbore in a portion of a flowline (25) having a substantially closed section, comprising: - a first portion (80) connected in the closed-section portion of the flowline, comprising a c...
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WO/2016/167860A1 |
Systems and methods for through casing hydraulic fracture mapping are disclosed. According to an aspect, an induction logging tool for mapping the earth's fractures is disclosed that includes a set of transmitting coils, a set of bucking...
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WO/2016/167766A1 |
In some embodiments, an apparatus and a system, as well as a method and article, may operate to generate a surface representing mechanical specific energy as a function of dimensionless products of downhole drilling process variables. Ad...
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WO/2016/167825A1 |
An optical element testing system includes a broadband angle-selective filter arranged along an optical path with an optical element to be tested. The system also includes a electromagnetic radiation transducer that outputs a signal in r...
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WO/2016/166534A1 |
A valve apparatus (400) for a flow system in a subsea oil and gas production installation and a method of use. The valve apparatus comprises an inlet for production flow from the subsea oil and gas production installation, an outlet for ...
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WO/2016/167841A1 |
A method and system for drilling a borehole in a subsurface formation, A method includes rotating a drill bit to remove formation material from the subsurface formation at an end of the borehole. A value of mechanical specific energy app...
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WO/2016/163990A1 |
A method for determining the asphaltene content of oil includes obtaining an oil sample, determining an optical spectrum of the oil sample and removing asphaltenes from the oil sample by precipitating asphaltenes using a first alkane pre...
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WO/2016/160485A1 |
A system and associated method for monitoring pressure of water at a sub-surface water location. The system includes a chamber, enclosing a fluid, and a fluid line. The system includes a differential pressure sensor with first and second...
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WO/2016/159982A1 |
This present application relates generally to a testing device for selecting a surfactant during oilfield subterranean operation technologies. More specifically, the application relates to providing a testing device for selecting a surfa...
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WO/2016/160076A1 |
A method of characterizing free volume of a rock sample includes test operations that measure pressure decay data from stepwise pressurization of the rock sample with a test gas. An initial free volume of the rock sample is calculated as...
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WO/2016/157051A1 |
A wellbore stress meter system and method for determining wellbore formation instability is disclosed. The wellbore stress meter system may include a first load cell, a first pressure sensor with a pressure output signal, a wireless comm...
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WO/2016/159776A1 |
A Wellbore stress meter system and method for determining wellbore formation instability, comprising a first load cell (10), a first pressure sensor (20) with a pressure output signal (20s), a wireless communication system (100), a cable...
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WO/2016/160021A1 |
A method for the determination of the oil content for solids recovered from a wellbore is provided. The method comprises providing the solids recovered from the wellbore and measuring the thermal conductivity of the solids recovered from...
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WO/2016/153518A1 |
A gamma-ray spectrometer calibration system comprises a photomultiplier tube and analysis electronics. The photomultiplier tube provides one or more reference signals that are analyzed relative to a spectrum by the analysis electronics t...
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WO/2016/153544A1 |
In some embodiments, an apparatus and a system, as well as a method and article, may operate to identify one or more multiphase fluid flow regimes as an output of fuzzy logic processing, with inputs to the fuzzy logic processing comprisi...
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