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Matches 1 - 50 out of 3,047

Document Document Title
WO/2019/099770A1
A technique facilitates fluid analysis in situ at a downhole location. According to an embodiment, a sample of fluid, e.g. oil, is obtained from a reservoir at the downhole location in a borehole. A downhole sampling system is used to de...  
WO/2019/094059A1
An abnormal trend detection system for detecting one or more hazards may provide for a safe and effective drilling operation as any of the one or more hazards may be avoided. Several indicators may be defined including a first, second, t...  
WO/2019/094240A1
Techniques to determine wellbore leak crossflow rate between formations in an injection well are described. The techniques repurpose well performance principles to achieve the objective of cross flow rate quantification without the need ...  
WO/2019/089947A1
A system, includes a first sensor configured to monitor a first characteristic of drilling fluid and generate a first indication based on the monitoring. The system also includes a second sensor configured to monitor a second characteris...  
WO/2019/079111A1
Techniques for evaluating hydrocarbon reserves using tool response models are provided. An example method includes measuring a first fluid distribution of a first formation proximate to a first wellbore and measuring a second fluid distr...  
WO/2019/079481A2
Monitoring and diagnosing completion during hydraulic fracturing operations provides insights into the fracture geometry, inter-well frac hits and connectivity. Conventional monitoring methods (microseismic, borehole gauges, tracers, etc...  
WO/2019/071357A1
The invention provides a depth discrete multi-level downhole system for discrete multi-level groundwater testing and management which is easily manufactured from inexpensive materials for incremental installation, long term viability and...  
WO/2019/067669A1
A system includes a continuous mud measurement system to measure one or more mud properties of a mud being pumped into a well, a continuous drilling measurement system to measure one or more drilling parameters of the well being drilled,...  
WO/2019/064037A1
The process comprises positioning wells one after another in a group of potential cells of a geocellular model, each positioning of a well comprises: * calculating for each cell (18) of the group of potential cells, a fluid property inse...  
WO/2019/064041A1
An inflatable packer assembly comprising a first fixed sleeve fixed to a mandrel, a first sliding sleeve moveable along the mandrel, and a first inflatable member connected to the first fixed sleeve and the first sliding sleeve. A second...  
WO/2019/067552A1
Asphaltene onset pressure of a formation fluid is determined by subjecting the fluid to a plurality of tests where depressurization is conducted at a different depressurization rate for each test while optically monitoring the fluid for ...  
WO/2019/059882A1
A well system and method for wirelessly communicating in a wellbore. The well system may comprise a coil tubing, a transceiver, a secondary transceiver, and an information handling system, wherein the information handling system is confi...  
WO/2019/060235A1
Tools, processes, and systems for in-situ fluid characterization based on a thermal response of a fluid are provided. The thermal response of a downhole fluid may be measured using a downhole thermal response tool and compared with therm...  
WO/2019/060098A1
Apparatus and methods for degassing and analyzing drilling fluid discharged from a wellbore at an oil and gas wellsite. The apparatus may be a drilling fluid analysis system having a gas analyzer, a fluid analyzer, and a degasser operabl...  
WO/2019/060157A1
A thermal aging estimator for use in a borehole having an ambient temperature of at least 200° F. The estimator may include a thermal aging element positioned adjacent to a heat-sensitive component while in the ambient temperature of at...  
WO/2019/051551A1
A batch sample preparation apparatus (10) for preparing a geological sample for analysis is described and claimed. The apparatus (10) comprises a dryer (12) having a drying (chamber 52), a sample inlet (20) and at least one sample outlet...  
WO/2018/227198A4
A downhole tool (100,300) and method for orienting a tool string within a passage, such as a wellbore (24) or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orient...  
WO/2019/046904A1
An automated batch sampling drilling mud management system (1) includes a a portable mud measurement system (10) and a communications system (120). The portable mud measurement system (10) has one or more measurement devices (14) arrange...  
WO/2018/035222A8
A method for generating a phase envelope log to characterize a subsurface formation includes drilling the borehole with a drill string, circulating a drilling fluid in the borehole, drawing a fluid sample representing a fluid contained i...  
WO/2019/040470A1
Embodiments of the present disclosure include a system for positioning a section of a tool (12) in a section of a wellbore (14) including a first arm (102A) coupled to a motor actuator (130) at a first end (106 A) and a positioning compo...  
WO/2019/036701A1
Systems and methods for monitoring characteristics of a drilling mud, a rate of penetration (ROP), and other factors to determine which remedial actions to perform and how to perform them. In conventional drilling operations, there are m...  
WO/2019/034844A1
A method for determining the presence of an acidic sulfide species in a liquid sample of an industrial or environmental material, the method comprising the steps of: (a) contacting the sample or an extract thereof with a composition comp...  
WO/2019/033067A1
Respective embodiments disclosed herein include methods and apparatuses (1) for surveying a mine bench or other material body using at least seismic data obtained via geophone and measurement module data synchronized via a wireless link;...  
WO/2019/032422A1
Nuclear magnetic resonance (NMR) methods and apparatus are provided for investigating a sample utilizing NMR pulse sequences having solid state and CPMG pulse sequence portions. Various embodiments of solid state pulse sequences may be u...  
WO/2019/029489A1
Disclosed are an on-site system and method for scanning rock detritus during drilling in an oil and gas field. The on-site system for scanning rock detritus during drilling in an oil and gas field comprises a sample preparation mould and...  
WO/2019/028107A1
A data acquisition and signal detection through radio frequency identification (RFID) system and a method of using the system are provided. The system includes a base station, a receiver, and an RFID device. The system is operable to be ...  
WO/2019/025798A1
Downhole apparatus comprises: a tubular body for mounting on an inner tubing string (10); a first flow port (24); a second flow port (12a); and a connector (68) associated with the tubular body (10) and operable to at least one of engage...  
WO/2019/023573A1
Improved devices, systems and methods for measuring in situ saturations of non-aqueous phase liquids and / or petroleum in media such as soil. A clear or otherwise UV-transparent well for detecting fluorescence in a soil column having a ...  
WO/2019/013971A1
Production capability of cased hole perforations (P) in a cased completed well lined with a casing (22) in an under-pressured gas producing reservoir (26) is tested. A sonde (12) of a dipole shear or array sonic (full waveform) acoustic ...  
WO/2019/014134A1
A downhole system (100) includes a quartz enhanced photoacoustic spectrometer (QEPAS) (200) configured to be positioned within a wellbore (161) formed in a subterranean zone of a hydrocarbon formation, a sampling system (400) coupled to ...  
WO/2019/010572A1
The long-reach drilling machine is for exploration drilling and core sample collecting and comprises a drill string comprising a variable number of hollow drill rods, a drill bit installed at a first end of the drill string, a ground-res...  
WO/2019/010212A1
A system includes a fluid conduit, a fluid chamber in communication with the fluid conduit, a rheology sensor in communication with the fluid chamber, and an electric temperature controller in communication with the fluid chamber. The fl...  
WO/2019/000037A1
A method of obtaining geological data pertaining to a bore hole that comprises supporting a ground drill and a separate geological instrument (30) on a vehicle (52), the instrument (30) being capable of acquiring geological data includin...  
WO/2019/006410A1
Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations...  
WO/2019/005890A1
Methods and apparatus for optimizing well testing operations are disclosed herein. An example apparatus includes an optimizer to generate a first workflow to be executed by a first user during a well test at a well. The example apparatus...  
WO/2019/005776A1
Methods and systems for generating intervention programs for a downhole formation including collecting mud-logging data during a drilling operation, wherein the drilling operation forms a borehole through the formation, generating zone c...  
WO/2019/002901A1
The invention relates to a logging device for measuring pressure into an underground formation (3), comprising at least one formation pressure sensor (4) which comprises a tool body part (15) and a probe (17) mounted on the tool body par...  
WO/2018/234806A1
A method for determining cross-flow in an injection well in a multi- layered reservoir. Wellhead pressure measurements are made and the characteristic curve analysed to identify late wellbore storage indicating cross-flow. The water hamm...  
WO/2018/233329A1
Disclosed is a drilling and grouting detection method for distribution characteristics of mining-induced bed separation in the overlying strata. Along a mining area, with a tendency to be near two sides of a mining boundary and with a te...  
WO/2018/236484A1
A method of determining a property within a subterranean formation comprises introducing silica nanoparticles into a well; obtaining a sample of a fluid produced from the well; and analyzing the sample for presence of the silica nanopart...  
WO/2018/233937A1
The invention concerns a mobile facility (1) for analysing a fluid. The facility (1) is mobile such that it can be moved to the collection site. In order to perform the analysis, the facility comprises, in particular, at least two piston...  
WO/2018/236390A1
Systems and methods for subterranean formation testing. A method may include lowering a formation testing tool into a subterranean formation, wherein the formation testing tool may comprise a plurality of chambers, a pump and a probe cha...  
WO/2018/236752A1
Fluids are pumped into a wellbore (106) by pulsing the fluids at a variable, positive pressure relative to the geologic formation until a first pressure threshold in the first fracture zone is satisfied. The pumping results in a first pr...  
WO/2018/231252A1
Systems, devices, and techniques for determining downhole fluid contamination are disclosed. In one or more embodiments, phase-related properties are measured for a reservoir fluid having a determined composition. An equation-of-state (E...  
WO/2018/231594A1
Systems and methods for determining mechanical properties of anisotropic media are disclosed. A method for determining mechanical properties of an anisotropic media includes obtaining log data of the anisotropic media, the log data corre...  
WO/2018/223571A1
Disclosed are a monopole acoustic logging-while-drilling instrument used in cooperation with a bottom drilling tool assembly, and a method for measuring the shear wave velocity of slow formation by applying the monopole acoustic logging-...  
WO/2018/226772A1
Matrix acidizing treatment are designed and performed in a manner that takes into account radial acid flow into the formation. Subterranean well characteristics are determined (e.g., mineralogical and petrophysical characteristics). One ...  
WO/2018/227198A2
A downhole tool and method for orienting a tool string within a passage, such as a wellbore or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orienting the tool st...  
WO/2018/227198A3
A downhole tool (100,300) and method for orienting a tool string within a passage, such as a wellbore (24) or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orient...  
WO/2018/226611A1
A process for determining the productivity index of a multilateral completion using data from individual laterals and data from commingled well tests is disclosed. The process includes 1) determining the productivity index for each singl...  

Matches 1 - 50 out of 3,047