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Matches 1 - 50 out of 2,820

Document Document Title
WO/2018/012995A1
Pulse-code observation well testing comprises a comprehensive solution to the problem of inter-well observation well testing, and is intended for significantly broadening the practical applications of traditional observation well testing...  
WO/2018/013875A1
A technique includes acquiring dry condition and wet measurements using an optical spectrometer for a plurality of lamp intensities. The technique includes determining candidate maximum optical densities as a function of the lamp intensi...  
WO/2018/002712A1
A sensor for measuring a property comprises: a radiation source, a detector and a sensing element. The radiation source is operable to produce a radiation beam. The detector is provided with a detecting surface for receiving radiation an...  
WO/2018/004714A1
A well testing apparatus includes tank manifold skids connected to tanks, a pump manifold skid, and a control system. Each tank manifold skid includes first pipework, second pipework, and valves. The first pipework of each tank manifold ...  
WO/2018/004713A1
A well testing apparatus includes a separator, a well control assembly upstream of the separator, and a fluid management assembly downstream of the separator. At least one of the well control assembly or the fluid management assembly can...  
WO/2018/004369A1
The proposed method relates to the field of hydrocarbon production, and more particularly to the monitoring of well operations by data analysis, based on cepstral analysis of downhole pressure data recorded at the wellhead. The method is...  
WO/2018/005179A1
Nano-indentation test to determine mechanical properties of reservoir rock can be implemented as multi-stage or single-stage tests. An experimental nano-indentation test (multi-stage or single-stage) is performed on a solid sample. A num...  
WO/2018/005568A1
A measurement while drilling system for making drilling-related and/or geological formation measurements and communicating measurement data to the earth's surface includes at least one sensor on a drill string proximate a drill bit for m...  
WO/2018/005465A1
An apparatus (12) and method for analyzing a composition of mixed phase medium (14) in-situ an oil and gas production well (20) is provided. The mixed phase medium (14) comprises gas, water and oil. The apparatus includes multiple optica...  
WO/2017/220858A1
Drilling apparatus (1) comprises a drill and a dust removal pipe (2) for removing dust created in drilling from a proximity to a borehole. The drilling apparatus comprises a sampling apparatus (3) for collecting a research sample in the ...  
WO/2017/219097A1
A method and apparatus for obtaining a sample of soil using a sample collection means (31) which is placed flat on a selected ground area, the collection means (31) having an opening (33) to receive an upright tubular body (12) which is ...  
WO/2017/219090A1
A system 10 for acquiring and transferring data pertaining to a borehole core 11 to a data handling system comprises: a hand manipulable device (HMD) 12 having a body 14; a data acquisition system (DAS) or sensor 16 carried or otherwise ...  
WO/2017/222372A1
A method, system and computer program product for determining soil properties comprising a probe including at least a liquid injection port and a pressure transducer. The probe is pushed into a soil and one or more pumping tests are carr...  
WO/2017/223507A1
Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure senso...  
WO/2017/218323A1
Methods and systems are described for automatic pumping control for a leak-off test (LOT) of a subterranean region. In some aspects, injection fluid is flowed into a closed wellbore in a subterranean region. Wellbore pressure in response...  
WO/2017/218674A1
Methods, systems, devices, and products for evaluating a downhole fluid in a borehole intersecting an earth formation. Methods include using ultrasonic irradiation to produce sonoluminescence from cavitation in a volume of the fluid; obt...  
WO/2017/213632A1
A formation tester tool assembly includes a seal member mounted on rigid stabilizer that contacts a borehole wall separately from the seal member, so that seal exposure to a stabilization load that presses the tool against the borehole w...  
WO/2017/212056A1
The present invention relates to a method for optimizing a modeling of flows within a reservoir for optimization of oil/gas production, the method comprising: /a/ receiving (302) a first time step; /b/ receiving (301) flow condition for ...  
WO/2017/214316A1
An innovative apparatus and computer implemented methods to obtain values for a set of scalars corresponding to each force and displacement, which may be obtained from acoustical signals captured by sensors of a drill bit while drilling,...  
WO/2017/205962A1
A method and apparatus to recover the solvent that remains in a mature in situ gravity drainage chamber formed by solvent-based extraction is disclosed. The method involves transitioning from an oil production phase to a liquid solvent r...  
WO/2017/204689A1
At least one sample of reservoir rock is selected and the density, porosity, and composition of the rock in the selected sample is determined. On the basis of the values obtained, a petrophysical model of the reservoir rock is created. T...  
WO/2017/203300A1
A method for remote monitoring of a high-pressure natural gas stream (10) comprises the steps of taking a sample of gas from a first location in the natural gas stream, analyzing the gas with a high-pressure analyzer to determine quality...  
WO/2017/205077A1
An oil well production analyzing system receives production fluid samples from the oil well according to an automated sampling schedule. The fluid samples are taken from a pipeline through a sampling apparatus to obtain a representative ...  
WO/2017/205194A1
Provided in some embodiments are systems and methods for preparing oriented samples of a laminated rock having different lamination orientations, for each of different stress- levels, transmitting an acoustic pulse through each oriented ...  
WO/2017/203285A1
A method to manipulate a well comprising providing an apparatus (60) in a well (14) below a packer (22) or other annular sealing device, the apparatus comprising a container (68) having a volume of gas which is sealed at the surface and ...  
WO/2017/200635A1
The present disclosure describes methods and systems for analyzing drilling fluid rheology at a drilling site. One method includes obtaining, from a wellbore drilling system implementing a wellbore drilling operation at a wellbore drilli...  
WO/2017/200767A1
A tool having an energy source and a surface roughness measurement device is provided. A baseline measurement of surface roughness of a sample is made. The sample is then exposed to energy from the energy source, causing the temperature ...  
WO/2017/200548A1
The equivalent circulating density ("ECD") in a wellbore may be managed during a wellbore operation using ECD models that take into account the rheology of the wellbore fluid and the rotational speed of tubulars in the wellbore. For exam...  
WO/2017/196714A1
Methods and systems for optimizing drilling operations in a wellbore using a drill string are provided. The methods and systems include measuring a first formation characteristic with at least one sensor, measuring a second formation cha...  
WO/2017/196808A1
An apparatus for estimating properties of an earth formation includes a carrier connected to a drilling assembly, and a sensor assembly configured to measure at least one return flow parameter of a return fluid at a surface location, the...  
WO/2017/194412A1
An underground sampling tool (HTMS) for underground water analysis of both quality and flow rate, providing the information required to perform an underground drilling and obtain uncontaminated water for crop irrigation, said tool compri...  
WO/2017/192404A1
Methods, systems, devices, and products for evaluating a fluid. Methods include introducing a sample comprising the fluid to a solvating fluid at a point in a chamber associated with the instrument at a first time to create a heterogeneo...  
WO/2017/192643A1
A method and system is provided that analyzes flow characteristics of return fluid that flows to a surface-located facility during well operations (such as plug mill-out or cleanout/workover operations) in order to characterize local for...  
WO/2017/192375A1
A method for evaluating a formation fluid includes the steps of drilling a borehole intersecting a formation with a drill string, circulating a drilling fluid in the wellbore, selectively liberating a formation fluid from the formation, ...  
WO/2017/185723A1
A design method for mining an upper protective seam close to total rock for use in coal-bed mining. On the basis of geological condition information of a protective seam mining project and physical mechanical parameters of a coal-rock ma...  
WO/2017/184338A1
Examples of techniques for monitoring and controlling the pH of a drilling fluid are disclosed. In one example implementation, a system may include a first sensor to sense a first pH-value and an associated first temperature of the drill...  
WO/2017/180574A1
A compressive load is exerted with a test apparatus across a rock sample that has a specified length-to-diameter ratio. A strain on the rock sample is measured during the compressive loading with a strain gauge. A mechanical property of ...  
WO/2017/176370A1
A data base is updated that contains oil production rate test data. The oil production rate test data are collected, uploaded, and divided into subsets by a downstream-to-upstream pressure ratio. For each subset, the data is split by an ...  
WO/2017/176923A1
Methods, systems, devices, and products for estimating a parameter of interest of a downhole fluid in a borehole intersecting an earth formation. Apparatus include evanescent wave measurement instruments, which may include a substrate co...  
WO/2017/173299A1
A method may include providing a drill string including a measurement tool. The drill string may be positioned in a wellbore. The method may include taking a measurement with the measurement tool at a first location. The method may inclu...  
WO/2017/172397A1
A method for estimating a property of an earth formation includes: obtaining a sample of rock; scanning the sample to determine internal rock damage; measuring a deformation parameter of the sample; constructing a mathematical model of t...  
WO/2017/165386A1
A method of obtaining a hardness profile of a formation is disclosed. A testing surface in a wellbore impacts the formation to obtain a measurement of formation hardness. A lithological property of the formation is measured and used in d...  
WO/2017/161230A1
Examples of techniques for determining robustness of a discrete fracture network (DFN) permeability estimate are disclosed. In one example implementation according to aspects of the present disclosure, a method may include: receiving a D...  
WO/2017/156120A1
A method of estimating one or more properties of an earth formation includes disposing a carrier in a borehole in an earth formation as part of an energy industry operation, receiving borehole fluid from the borehole, estimating at least...  
WO/2017/155537A1
A method of borehole correction for water-based mud includes conveying an induction logging tool along a borehole through a formation, obtaining one or more formation measurements using the tool, obtaining a water-based mud conductivity,...  
WO/2017/151928A1
An imager and method for imaging fluid of a subsurface formation is disclosed. The imager includes a housing having a sidewall defining a passage to receive a core sample of the subsurface formation therethrough. The housing is positione...  
WO/2017/151838A1
A subsurface hydrocarbon reservoir with horizontal or multiple vertical wells is simulated by sequential solution of reservoir and well equations to simulate fluid flow inside the reservoir and well production rates. Sequential solution ...  
WO/2017/151844A1
A subsurface hydrocarbon reservoir with a horizontal well or multiple vertical wells is simulated by sequential solution of reservoir and well equations to simulate fluid flow inside the reservoir and well production rates. Sequential so...  
WO/2017/146884A1
Determining properties of a spotting fluid include positioning a member (145) of a test apparatus into a prepared mudcake sample at a specified depth, the mudcake sample (115) associated with a drilling fluid and including a specified th...  
WO/2017/146170A1
A seafloor crust A is dug into by an excavation tube 31, whereby a circular annular groove 50 is formed and a circular-cylindrical geological sample provisional part 51 is formed radially inward from the annular groove 50. Next, a harves...  

Matches 1 - 50 out of 2,820