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1. 发明授权

US11753896B2 Systems and methods for deployment of a frac ball into a wellbore 有权
$Systems and methods for deployment of a frac ball into a wellbore$
公开(公告)号：US11753896B2
公开(公告)日：2023-09-12
申请号：US17473735
申请日：2021-09-13
申请人： CACTUS WELLHEAD, LLC
发明人： Jerod Bushman , Brenton Greska
IPC分类号： E21B33/068 , E21B34/02
CPC分类号： E21B33/068 , E21B34/02
摘要： A ball dropper assembly includes a main body, a sealing piston, and a magazine assembly. The main body includes a main bore, angle bore, and transverse bore formed therethrough. The transverse bore is fluidly coupled to the main bore through the angle bore. The sealing piston is positioned within the transverse bore. Seal rings are positioned between the main body and the sealing piston on either side of the angle bore. The magazine assembly includes a magazine body and a carrier piston. The magazine body is mechanically coupled to the main body. The carrier piston has a carrier hole formed therein and is mechanically coupled to the sealing piston.

2. 发明授权

US12084940B2 Systems and methods for deployment of a frac ball into a wellbore 有权
$Systems and methods for deployment of a frac ball into a wellbore$
公开(公告)号：US12084940B2
公开(公告)日：2024-09-10
申请号：US18230038
申请日：2023-08-03
申请人： CACTUS WELLHEAD, LLC
发明人： Jerod Bushman , Brenton Greska
IPC分类号： E21B33/068 , E21B34/02 , E21B43/26
CPC分类号： E21B33/068 , E21B34/02 , E21B43/2607
摘要： A ball dropper assembly includes a main body, a sealing piston, and a magazine assembly. The main body includes a main bore, angle bore, and transverse bore formed therethrough. The transverse bore is fluidly coupled to the main bore through the angle bore. The sealing piston is positioned within the transverse bore. Seal rings are positioned between the main body and the sealing piston on either side of the angle bore. The magazine assembly includes a magazine body and a carrier piston. The magazine body is mechanically coupled to the main body. The carrier piston has a carrier hole formed therein and is mechanically coupled to the sealing piston.

3. 发明授权

US12037884B2 Remote hydraulic valve control system 有权
公开(公告)号：US12037884B2
公开(公告)日：2024-07-16
申请号：US17569118
申请日：2022-01-05
申请人： CACTUS WELLHEAD, LLC
发明人： Brenton Greska
IPC分类号： E21B43/26
CPC分类号： E21B43/2607
摘要： A remote hydraulic system for controlling a valve of a wellhead or frac manifold includes a remote hydraulic skid, control skid, and power supply skid. The remote hydraulic skid includes a hydraulic reservoir, a hydraulic pump, an accumulator, a hydraulic manifold operatively coupled to the accumulator, and a hydraulic valve operatively coupled to the hydraulic manifold. The hydraulic valve is operatively coupled to the valve of the wellhead or frac manifold by a hydraulic line. The control skid includes an interface and is operatively coupled to the remote hydraulic skid by a control line. The control skid is adapted to control the actuation of the hydraulic valve. The power supply skid is coupled to the remote hydraulic skid to provide the power necessary to drive the hydraulic pump on the remote hydraulic skid. The remote hydraulic skid is positioned within a hazardous zone around the wellhead, while the control skid and power supply skid are positioned outside of the hazardous zone.

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