Stage cementing system
    1.
    发明授权

    公开(公告)号:US11713646B2

    公开(公告)日:2023-08-01

    申请号:US17477113

    申请日:2021-09-16

    IPC分类号: E21B33/14 E21B34/10

    摘要: A stage cementing system includes a stage cementing assembly having a stage tool. The stage tool has an outer mandrel, an inner mandrel coupled to and disposed inside of the outer mandrel, an annular chamber between the outer mandrel and the inner mandrel, a first outer port through the outer mandrel, and longitudinally spaced first and second inner ports through the inner mandrel. The stage cementing system further includes an inner string assembly configured to be located inside the inner mandrel. The inner string assembly has a tubular body having a central throughbore and longitudinally spaced first and second side ports, a lower external seal element below the first and second side ports, a middle external seal element between the first and second side ports, and an upper external seal element above the first and second side ports.

    Telemetry operated tools for cementing a liner string

    公开(公告)号:US10087725B2

    公开(公告)日:2018-10-02

    申请号:US14250162

    申请日:2014-04-10

    摘要: A liner deployment assembly (LDA) for use in a wellbore includes: a crossover tool. The crossover tool includes: a seal for engaging a tubular string cemented into the wellbore; a tubular housing carrying the seal and having bypass ports straddling the seal; a mandrel having a bore therethrough and a port in fluid communication with the mandrel bore, the mandrel movable relative to the housing between a bore position where the mandrel port is isolated from the bypass ports and a bypass position where the mandrel port is aligned with one of the bypass ports; a bypass chamber formed between the housing and the mandrel and extending above and below the seal; and a control module. The control module includes: an electronics package; and an actuator in communication with the electronics package and operable to move the mandrel between the positions.

    Telemetry operated tools for cementing a liner string

    公开(公告)号:US10808508B2

    公开(公告)日:2020-10-20

    申请号:US16122273

    申请日:2018-09-05

    摘要: A liner deployment assembly (LDA) for use in a wellbore includes: a crossover tool. The crossover tool includes: a seal for engaging a tubular string cemented into the wellbore; a tubular housing carrying the seal and having bypass ports straddling the seal; a mandrel having a bore therethrough and a port in fluid communication with the mandrel bore, the mandrel movable relative to the housing between a bore position where the mandrel port is isolated from the bypass ports and a bypass position where the mandrel port is aligned with one of the bypass ports; a bypass chamber formed between the housing and the mandrel and extending above and below the seal; and a control module. The control module includes: an electronics package; and an actuator in communication with the electronics package and operable to move the mandrel between the positions.

    Telemetry operated cementing plug release system

    公开(公告)号:US10221638B2

    公开(公告)日:2019-03-05

    申请号:US15357732

    申请日:2016-11-21

    摘要: A plug release system for cementing a tubular string into a wellbore includes: a wiper plug; a tubular housing; a latch for releasably connecting the wiper plug to the housing. The latch includes: a fastener engageable with one of the wiper plug and the housing; a lock movable between a locked position and an unlocked position, the lock keeping the fastener engaged in the locked position; and an actuator connected to the lock and operable to at least move the lock from the locked position to the unlocked position. The plug release system further includes an electronics package disposed in the housing and in communication with the actuator for operating the actuator in response to receiving a command signal.

    Float valve insert
    7.
    发明授权

    公开(公告)号:US11773666B2

    公开(公告)日:2023-10-03

    申请号:US18076770

    申请日:2022-12-07

    摘要: A float valve is used in a tubular having a through-bore for flow. The tubular can be a casing joint, a casing pup joint, a housing or a shell of a float collar/shoe, or other tubular element. A sleeve of drillable material is expanded inside the tubular. Sealing and/or anchor elements on the exterior of the sleeve can engage inside the tubular. Caps composed of drillable material are disposed on ends of the sleeve and have passages connected to ends of a flow tube. The flow tub is also composed of drillable material and has a bore therethrough for flow. A valve composed of drillable material is disposed in the passage of one of the caps and is configured to control the flow in the tubing through the flow tube.