公开(公告)号：US20240076961A1

公开(公告)日：2024-03-07

申请号：US17985860

申请日：2022-11-13

申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING

发明人： Rukuan CHAI ,  Yuetian LIU ,  Wenkuan ZHENG ,  Jingpeng LI ,  Liang XUE ,  Jingru WANG ,  Yuting HE

IPC分类号： E21B41/00 ,  B01D53/62 ,  B01D53/90 ,  B01J23/825 ,  B01J23/835 ,  E21B43/114 ,  E21B43/16 ,  E21B43/38

CPC分类号： E21B41/0064 ,  B01D53/62 ,  B01D53/90 ,  B01J23/825 ,  B01J23/835 ,  E21B43/114 ,  E21B43/164 ,  E21B43/38 ,  B01D2221/04 ,  B01D2257/504 ,  B01J2523/17

摘要： The present invention provides a mixed injection fluid and a corresponding method for enhancing CO2 sequestration and oil recovery, which is a method of the geothermal driven CO2 catalytic reduction for enhancing CO2 sequestration and oil recovery. In the present invention, a technical solution of the liquid nitrogen fracturing, an injection fluid injection, and the catalysis transportation and storage were adopted, which makes full use of the thermal energy of deep geothermal reservoir in combination with nano-Cu-based catalysts to activate the hydrothermal cracking reaction of crude oil and CO2 thermal reduction reaction, so to simultaneously enhance crude oil recovery and CO2 sequestration, fundamentally solving the existing problems of CO2-EOR technologies. Moreover, CO2 thermal catalytic reduction products can also work as a surfactant to accelerate the desorption crude oil from the rock surface and decrease the interfacial tension, and finally EOR.

公开(公告)号：US20240035354A1

公开(公告)日：2024-02-01

申请号：US18255074

申请日：2021-12-03

申请人： HRG WELL SOLUTIONS LIMITED

发明人： Gary MCWILLIAM

IPC分类号： E21B33/13 ,  E21B43/114 ,  E21B29/10

CPC分类号： E21B33/13 ,  E21B43/114 ,  E21B29/10

摘要： A BHA to be run into a wellbore to be plugged and abandoned comprises a slotting tool which further comprises an outer body having a throughbore and connections to permit the outer body to be included in the BHA and in a work string having a throughbore for sealed fluid communication with the throughbore of the outer body. A slotting blade is radially moveable towards and away from an inner surface of the wellbore to be slotted, and an activation mechanism is adapted to move the slotting blade between: a running in hole configuration in which the slotting blade is relatively retracted: and an activated configuration in which the slotting blade is extended and in use is capable of creating at least one slot in the inner surface of the wellbore such as the casing at a location in the wellbore to be plugged and abandoned.

公开(公告)号：US11828122B2

公开(公告)日：2023-11-28

申请号：US17096103

申请日：2020-11-12

申请人： SAUDI ARABIAN OIL COMPANY

发明人： Richard Mark Pye

IPC分类号： E21B23/02 ,  E21B23/08 ,  E21B29/00 ,  E21B17/10 ,  E21B47/09 ,  E21B43/114

CPC分类号： E21B29/005 ,  E21B17/1078 ,  E21B23/02 ,  E21B47/09 ,  E21B23/08 ,  E21B43/114

摘要： A pump down device is deployed at an anchor point in a pipe to perform a pipe severing operation. The pump down device includes: a cutting head positioned at one end of the pump down device that severs the pipe; one or more centralizers that are positioned adjacent to the cutting head and configured to provide friction for deployment of the pump down device at the anchor point and centralize the cutting head; a seal that is positioned near an end opposite to the one end of the pump down device; and an electronics housing that includes a plurality of electronic sensors. The pump down device releases an anchor mechanism upon reaching the anchor point as determined by the plurality of electronic sensors based on preprogrammed inputs. The seal prevents fluid from moving past the pump down device when in operation.

公开(公告)号：US20230304380A9

公开(公告)日：2023-09-28

申请号：US17815038

申请日：2022-07-26

申请人： Tryton Tool Services Limited Partnership

发明人： Tyler LINDSTRAND ,  Randy BERRYMAN

IPC分类号： E21B34/14 ,  E21B43/114

CPC分类号： E21B34/14 ,  E21B43/114

摘要： A downhole tool comprises a mechanical energy storage component that retains energy supplied by a first pressure increase and transfers such energy to actuate another component of the tool. In one aspect, the tool is a toe valve that is activated for opening ports thereon upon application of a first pressure and actuated to open the ports upon application of a second pressure lower than the first pressure.

公开(公告)号：US11414944B2

公开(公告)日：2022-08-16

申请号：US17227834

申请日：2021-04-12

申请人： Terydon, Inc.

发明人： Terry D. Gromes, Sr. ,  Gary L. Manack, Jr.

IPC分类号： E21B29/00 ,  E21B43/114 ,  B24C7/00 ,  B24C3/32 ,  E21B41/00

摘要： A cutting head assembly uses multiple cutting heads directing ultra-high pressure fluid in different directions towards an inner surface of a pipe to be cut in order to complete a full cut of the pipe while rotating or revolving the multiple cutting heads less than 360 degrees relative to central axis. The ultra-high pressure fluid mixes with abrasive inside fittings on or near each of the nozzles to further assist with cutting through the pipe. Some cutting head assemblies have two nozzles, while other cutting head assemblies have three or four nozzles.

公开(公告)号：US11371331B2

公开(公告)日：2022-06-28

申请号：US16761922

申请日：2017-12-28

申请人： Halliburton Energy Services, Inc.

发明人： Jim B. Surjaatmadja ,  Timothy H. Hunter ,  Stanley V. Stephenson

IPC分类号： E21B43/267 ,  E21B43/114 ,  E21B43/04

摘要： A fluid injection system for injecting a particulate in a fluid, including a high-pressure pump operable to output the fluid from an outlet flow channel and a reservoir configured to hold the particulate. The system also includes a valve assembly in fluid communication with the reservoir and the outlet flow channel of the pump, the valve assembly operable to discharge the particulate into a fluid stream output by the pump while the reservoir is sealed from the outlet flow channel of the pump.

公开(公告)号：US20210324733A1

公开(公告)日：2021-10-21

申请号：US17318840

申请日：2021-05-12

申请人： Hunting Titan, Inc.

发明人： Gene McBride

IPC分类号： E21B47/092 ,  E21B43/119 ,  E21B43/114 ,  E21B47/0228 ,  E21B43/117 ,  E21B47/024 ,  G01V3/28

摘要： A method, system, and apparatus for determining the location of a tool traveling down a wellbore by measuring a first borehole magnetic anomaly with respect to time at two known locations on a tool, comparing the time difference between the two measurements, then calculating the velocity of the tool based on the comparison and then further calculating the distance traveled by the tool in the wellbore based on the velocity calculation.

公开(公告)号：US11136865B2

公开(公告)日：2021-10-05

申请号：US16672467

申请日：2019-11-03

申请人： YANGTZE UNIVERSITY

发明人： Weichu Yu ,  Qingwen Zeng ,  Ying Zhang ,  Xiangsong Xiao ,  Shanwen Yu

IPC分类号： E21B43/26 ,  E21B43/114 ,  E21B47/003 ,  E21B21/08 ,  E21B43/20

摘要： Disclosed is an integrated construction method of fracturing and tertiary oil recovery for low-permeability reservoir, including the following steps: dividing the target layer into several fracturing intervals; determining the amount of fracturing fluid required for the target fracturing interval; determining the flow rate of the target fracturing interval; determining the pumping construction procedure for the target fracturing interval; perforating the target fracturing interval; injecting oil displacement fracturing fluid into the target fracturing interval for fracturing construction; wherein the oil displacement fracturing fluid is a fracturing fluid to which an oil displacement agent is added. The beneficial effect of the technical scheme proposed in this disclosure is: by adding an oil displacing agent to the fracturing fluid, the fracturing and tertiary oil recovery are integrated, thereby improving the effect of fracturing and tertiary oil recovery, while also avoiding the water lock effect of the reservoir. Compared with the existing “first fracturing then tertiary oil recovery” scheme, it has obvious advantages.

公开(公告)号：US20210230956A1

公开(公告)日：2021-07-29

申请号：US17227834

申请日：2021-04-12

申请人： Terydon, Inc.

发明人： Terry D. Gromes, SR. ,  Gary L. Manack, JR.

IPC分类号： E21B29/00 ,  E21B43/114 ,  E21B41/00

摘要： A cutting head assembly uses multiple cutting heads directing ultra-high pressure fluid in different directions towards an inner surface of a pipe to be cut in order to complete a full cut of the pipe while rotating or revolving the multiple cutting heads less than 360 degrees relative to central axis. The ultra-high pressure fluid mixes with abrasive inside fittings on or near each of the nozzles to further assist with cutting through the pipe. Some cutting head assemblies have two nozzles, while other cutting head assemblies have three or four nozzles.

公开(公告)号：US11073005B2

公开(公告)日：2021-07-27

申请号：US16292620

申请日：2019-03-05

申请人： The GasGun, LLC

发明人： Adam C. Schmidt ,  Jaia D. Schmidt ,  Richard A. Schmidt

IPC分类号： E21B43/117 ,  E21B43/114 ,  F42B3/22 ,  F42B3/02 ,  F42D1/045 ,  F42B3/04 ,  E21B43/11 ,  F42B3/00 ,  F42D1/04

摘要： A propellant container for a perforating gun includes a lower cap, one or more pieces of propellant positioned within the lower cap, wherein at least one of the one or more pieces of propellant defines one or more through-holes, and an upper cap matable with the lower cap to secure the one or more pieces of propellant within the lower cap. A filler material is present within interstitial spaces between the one or more pieces of propellant.