序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 IMPROVED HELICAL SEPARATOR EP98929161.2 1998-06-25 EP1021231A1 2000-07-26 MARTINS RIBEIRO, Geraldo, Alfonso, Spinelli; LOPES, Dironsir; DO VALE, Osvalda, Roberto; DE ALMIEDA FRAN A, Fernando; SPAN Rosa, Eugênio; GARGAGLIONE PRADO, Mauricio
A liquid/gas helical separator operates on a combination of centrifugal and gravitational forces. The separator includes a primary separator formed basically by an expansion chamber, a secondary separator formed basically by a helix for directing the flow, a tertiary separator which consists of a reservoir or gravitational-separation tank and of a transition region between the primary and secondary separators, which consists of at least two variable-pitch helixes whose inclination varies from an angle of 90 DEG to the angle of inclination of the constant-pitch helix of the secondary separator with the function of providing a gentler flow of the liquid phase at the transition between the first two separators.
142 Vacuum Tank for use in handling oil and gas well cuttings EP99308577.8 1999-10-29 EP0997607A2 2000-05-03 Dietzen, Gary H.

A vacuum tank apparatus (10) for use with oil and gas well drilling operations facilitates the removal of well cuttings generated by drilling. The tank apparatus (10) provides a frame (11) having a plurality of corners reinforced by structural corner columns (32). The columns (32) are connected at the base of the frame (11) to lower perimeter beams (31) as at the top of the frame (11) to upper perimeter beams (33). A shaped hopper (35) is supported by the frame (11) internally of the perimeter beams (31,32,33). The hopper (35) includes an interior (38) and a sidewall (12,13,14,15) comprised of a plurality of inclined wall sections. Each wall section includes an upper end portion that connects to the frame (11) at the perimeter beams (33) and a lower end portion that extends to the lower end portion of another inclined wall section. An outlet header (50) is provided at the bottom of the hopper (35) next to the lower end portions of the inclined wall sections. The outlet header (50) includes a discharge outlet (59) for discharging solid material from the hopper interior (38). The outlet header (50) also includes an inlet fitting (52) for injecting pressurised air into the outlet header (50) while emptying the tank. A top wall (16) of the hopper (35) has multiple hatches (17,18) that enable material to be added to the tank interior (38) during use, such as, for example by employing a pair of suction lines (75,76) that are connected to a single plate (72) covering one of the outlets (36,37) in the tank top (16) or a pair of suction lines that are mounted respectively to the pair of inlet openings.

To be accompanied, when published, by Figure 1 of the drawings.

143 SCREEN FOR VIBRATING SEPARATOR EP97903439.0 1997-02-12 EP0880411A1 1998-12-02 ADAMS, Thomas, Cole; SCHULTE, David, Lee, Jr.; WALKER, Jeffrey, Earl; MCCLUNG, Guy, LaMont, III; LEONE, Vincent, Dominick, Sr.; GRICHAR, Charles, Newton; SEYFFERT, Kenneth, Wayne
A panel for a screen, said panel comprising a plurality of groups of perforations, each group comprising six generally equal triangular apertures (513, 514, 515) arranged with their apices facing a central portion (550), wherein the apices of two (514, 515) opposing ones of said triangular apertures are spaced apart further than the apices of opposed ones of the remaining triangular apertures (513, 513; 513, 513).
144 Procédé d'obtention d'agents de broyage et/ou de dispersion par séparation physico-chimique, agents obtenus et leurs utilisations EP95420352.7 1995-12-06 EP0717051A1 1996-06-19 Egraz, Jean-Bernard; Ravet, Georges; Buri, Matthias; Blum, René

Procédé d'obtention d'agent de broyage et/ou de dispersion par usage d'un dispositif de séparation composé d'une ou plusieurs membranes organiques et/ou minérales.

Agent de broyage et/ou de dispersion obtenu par le dit procédé et son utilisation à la fabrication de suspensions aqueuses de particules minérales.

Les dites suspensions aqueuses et leurs applications dans les domaines pigmentaires.

145 Verfahren und Anlage zur kontinuierlichen Entsorgung und Aufbereitung von wasserbasischen, flüssigen und festen Bohrrückständen EP90103208.6 1990-02-20 EP0384378B1 1994-01-26 Dierkes, Dieter
146 Method and apparatus for direct high velocity preparation of completion/workover systems EP90313154.8 1990-12-04 EP0435484A1 1991-07-03 Richard, Bennett Martin; Johnson, Michael Howard

An apparatus (10) is provided for direct high velocity, consistent, uniform preparation of completion/workover systems for use in subterranean wells. The system has a screw type conveyor (32) extending through a mixing chamber housing (40) which is in direct communication with a pump (20). Passageways are provided through the housing (31) for the screw type rotatable conveyor (32) and through the mixing chamber housing (40) in axial alignment with openings in the pump such that the diametric length (43) between the interior of the mixing chamber housing (40) and the exterior of the conveyor housing (31) provides sufficient transport velocity for the carrier fluid and the solid particulate matter from the point of mixing in the annulus (43), through the annulus and to the inlet of the pump (20).

147 STOCHASTIC CONTROL METHOD FOR MUD CIRCULATION SYSTEM US15776757 2016-01-29 US20180347298A1 2018-12-06 Yuzhen XUE; Jason D. DYKSTRA; Xiaoqing GE
A stochastic control method includes measuring a fluid property of a drilling fluid circulating within a mud circulation system and identifying a mud circulation model that dictates operation of the mud circulation system. The mud circulation model is based on one or more models of one or more uncertainties encountered during a wellbore drilling operation. The method further includes determining an accuracy of the mud circulation model based on a residue between the measured fluid property of the drilling fluid and a fluid property of the drilling fluid as provided by the mud circulation model, and programming a controller of the mud circulation system based on the mud circulation model to modify operation of the mud circulation system.
148 Methods and systems for passivation of remote systems by chemical displacement through pre-charged conduits US15188352 2016-06-21 US10137484B2 2018-11-27 Douglas J. Turner; Jonathan R. Dubois; Marc S. Young
The present techniques are directed to systems and methods for displacing a structure in a fluid handling system with a displacement fluid. A system includes a plurality of storage conduits that can hold a treatment fluid or a barrier fluid. The treatment and barrier fluids are transferred from the storage conduits by a displacement fluid using a driver.
149 Methods and systems for fluid removal from a structure US14534782 2014-11-06 US10132128B2 2018-11-20 Andrea Pound; Varma Gottumukkala
Methods, computing systems, and computer-readable media for removing fluid from a structure. The system may include sensors disposed within the structure (such as a multi-lateral well) that measure properties of the fluid at the location of the sensors and generate data representing the properties. A computing system receives the data and, using the data, monitors the composition of the fluid at the locations of the sensors. The computing system also displays information about the composition of the fluid at the locations of the sensors. The computing system may, in response to a change in the composition, indicate that the removal process is complete for a particular section and stop the flow for that section.
150 CLOSED LOOP DRILLING MUD COOLING SYSTEM FOR LAND-BASED DRILLING OPERATIONS US16026516 2018-07-03 US20180320462A1 2018-11-08 Garry McCraw
A method for cooling drilling mud includes controlling operation of a first closed-loop cooling system to cool a flow of drilling mud when a first temperature of the flow of drilling mud exceeds a first predetermined mud set point temperature, and controlling operation of a second closed-loop cooling system to further cool the flow of drilling mud when a second temperature of the flow of drilling mud that has been cooled by the first closed-loop cooling system exceeds a second predetermined mud set point temperature.
151 Closed loop drilling mud cooling system for land-based drilling operations US14325622 2014-07-08 US10041314B2 2018-08-07 Garry McCraw
A drilling mud cooler includes a first mud heat exchanger that is adapted to receive a flow of drilling mud, a first closed-loop cooling system that is adapted to cool a first cooling fluid that is circulated through the first mud heat exchanger so as to reduce a temperature of the flow of drilling mud from a first temperature to a second temperature, a second mud heat exchanger that is adapted to receive the flow of reduced temperature drilling mud from the first mud heat exchanger, and a second closed-loop cooling system that is adapted to cool a second cooling fluid that is circulated through the second mud heat exchanger so as to further reduce the temperature of the flow of drilling mud from the second temperature to a third temperature.
152 Real-time frequency loop shaping for drilling mud viscosity and density measurements US15324104 2016-07-13 US09938784B2 2018-04-10 Xingyong Song; Jason D. Dykstra
Methods control systems for viscosity and density control may include a frequency loop shaping filter for shaping the frequency response in real-time for a multiple inputs multiple outputs (MIMO) system. For example, a method may include drilling a wellbore while circulating a drilling mud through a viscosity and density control system that includes one of: a mechanical separation system, a dilution system, a chemical additive regulation system, and any combination thereof; applying a frequency loop shaping filter to a desired mud viscosity and a desired mud density to produce control signals: a first control signal for the mechanical separation system, a second control signal for the dilution system, a third control signal for the chemical additive regulation system, and any combination thereof; and applying the control signals to the corresponding systems to alter the drilling mud to have a controlled viscosity value and a controlled density value.
153 SYSTEM FOR USING PRESSURE EXCHANGER IN MUD PUMPING APPLICATION US15722996 2017-10-02 US20180094648A1 2018-04-05 Adam Rothschild Hoffman; Joel Gay; Farshad Ghasripoor; David Deloyd Anderson; Jeremy Grant Martin
A system includes a pump configured to pressurize a first fluid, and a pressure exchanger (PX). The PX is configured to receive a second fluid, to receive the pressurized first fluid, and to utilize the pressurized first fluid to pressurize the drilling mud for transport to a well.
154 Polymer gels as flow improvers in water injection systems US13119345 2009-09-17 US09903169B2 2018-02-27 Torbjørn Tenold Eikaas; Jan Erik Solbakken; Egil Sunde
A water injection system that includes a primary water injection line; an injection fluid supply tank; a high pressure injection pump in fluid communication with the injection fluid supply and primary water injection line for pumping injection fluid in injection fluid supply tank through the primary water injection line; a polymer gel supply tank; and a high pressure chemical injection pump in fluid communication with the polymer gel supply tank and the water injection line configured to pump polymer gel having a viscosity of at least about 50,000 cP (at 20° C. measured using a Bohlin Rheometer CSR 50, cone and plate measuring system CP 4°/40 mm, single shear rate 1/s) in the polymer gel supply tank into the water injection line for mixture with injection fluid is disclosed.
155 PLUG AND PUMP SYSTEM FOR ROUTING PRESSURIZED FLUID US15707544 2017-09-18 US20180003323A1 2018-01-04 William D. Kendrick
A plug and pump system for routing pressurized fluid from a fluid source is disclosed. The system includes a platform and a docking station interface mounted on the platform and including multiple points of articulation. A wellhead interface is mounted on the platform and includes multiple points of articulation. The docking station interface and the wellhead interface are configured to route pressurized fluid from a fluid source.
156 REAL-TIME CONTROL OF DRILLING FLUID PROPERTIES USING PREDICTIVE MODELS US15527652 2014-12-31 US20170343969A1 2017-11-30 Jason D. DYKSTRA; Zhijie SUN; Yuzhen XUE; Fanping BU
A method for controlling drilling fluid properties, in some embodiments, comprises determining a predictive model for a fluid circulation system that routes drilling fluid downhole to a drill bit to remove debris from said drill bit; determining a cost function associated with the fluid circulation system; using the predictive model and the cost function to determine a set of input values for the predictive model; operating a controlled device according to at least some of the set of input values, said controlled device changes properties of the drilling fluid in the fluid circulation system; and obtaining measurements of the properties.
157 REGULATING DOWNHOLE FLUID FLOW RATE USING AN MULTI-SEGMENTED FLUID CIRCULATION SYSTEM MODEL US15527667 2014-12-31 US20170328154A1 2017-11-16 Xingyong SONG; Jason D. DYKSTRA
A method for regulating a downhole fluid flow rate, in at least some embodiments, comprises partitioning a fluid circulation system into a sequence of segments, the sequence including a pump segment at one end and a drill bit segment at another end; obtaining a desired pressure for the drill bit segment; determining, for each of the segments in the sequence except for the drill bit segment, a desired pressure based at least in part on the desired pressure for a preceding segment in the sequence; determining a pump setting based on the desired pressure for the pump segment; and applying the pump setting to a pump used to move drilling fluid through the fluid circulation system.
158 PRESSURE EXCHANGER HAVING CROSSLINKED FLUID PLUGS US15145027 2016-05-03 US20170321521A1 2017-11-09 Bryan John Lewis; Stanley V. Stephenson
A method includes introducing a proppant slurry into a first end of a hydraulic energy transfer system, introducing a clean fluid into a second end of the hydraulic energy transfer system opposite the first end, operating the hydraulic energy transfer system to retain a portion of the proppant slurry in the hydraulic energy transfer system while transferring pressure of the clean fluid to the proppant slurry, and forming a fluid plug that separates the proppant slurry and the clean fluid, the fluid plug being formed by increasing a viscosity of the portion of the proppant slurry to be higher than a viscosity of the clean fluid and a viscosity of the proppant slurry in the hydraulic energy transfer system.
159 DRILLING FLUID PH MONITORING AND CONTROL US15134095 2016-04-20 US20170308054A1 2017-10-26 Helmuth Sarmiento-Klapper; Brian Ochoa
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 drilling fluid prior to being heated by a drilling fluid heater and a second sensor to sense a second pH-value and an associated second temperature of the drilling fluid subsequent to being heated by the drilling fluid heater. The system may also include a controller comprising a memory having computer readable instructions and a processing device for executing the computer readable instructions. The computer readable instructions include receiving the first pH-value and first temperature from the first sensor, receiving the second pH-value and second temperature from the second sensor, and determining an amount of additive to add to the drilling fluid to maintain a desired pH-value at the second temperature.
160 Surface fluid extraction and separator system US14436158 2014-05-09 US09765617B2 2017-09-19 Jon Troy Gosney; Mathew Dennis Rowe; Michael Linley Fripp; Stephen Michael Greci; John Charles Gano
A disclosed example embodiment of a fluid extraction system includes a fluid circuit fluidly coupled to a source of a fluid and configured to receive a fluid sample from the source, and a fluid separator arranged in the fluid circuit and configured to receive the fluid sample. The fluid separator includes a body that defines at least one fluid inlet, a flow chamber defined within the body, and is configured to receive and spin the fluid sample from the at least one fluid inlet. The fluid sample spirals inward and forms a vortex, and gases entrained within the fluid sample separate and migrate toward a center of the vortex. An outlet defined in the flow chamber provides a gas outlet that entrains and removes the gases and a liquid outlet receives and removes a remaining portion of the fluid sample.
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