RU97109720A - WELL AND MAIN PIPELINE PROTECTION SYSTEM - Google Patents

WELL AND MAIN PIPELINE PROTECTION SYSTEM

Info

Publication number
RU97109720A
RU97109720A RU97109720/03A RU97109720A RU97109720A RU 97109720 A RU97109720 A RU 97109720A RU 97109720/03 A RU97109720/03 A RU 97109720/03A RU 97109720 A RU97109720 A RU 97109720A RU 97109720 A RU97109720 A RU 97109720A
Authority
RU
Russia
Prior art keywords
valve
well
emergency
protection system
main pipeline
Prior art date
Application number
RU97109720/03A
Other languages
Russian (ru)
Other versions
RU2135745C1 (en
Inventor
В.И. Каплунов
М.Г. Абрамичев
Ю.М. Литвинов
В.В. Дунаева
Original Assignee
В.И. Каплунов
М.Г. Абрамичев
Ю.М. Литвинов
В.В. Дунаева
Filing date
Publication date
Application filed by В.И. Каплунов, М.Г. Абрамичев, Ю.М. Литвинов, В.В. Дунаева filed Critical В.И. Каплунов
Priority to RU97109720/03A priority Critical patent/RU2135745C1/en
Priority claimed from RU97109720/03A external-priority patent/RU2135745C1/en
Publication of RU97109720A publication Critical patent/RU97109720A/en
Application granted granted Critical
Publication of RU2135745C1 publication Critical patent/RU2135745C1/en

Links

Claims (1)

Система защиты скважины и магистральных трубопроводов, включающая аварийный скважинный клапан-отсекатель и аварийный клапан обратного потока, отличающаяся тем, что основной клапан аварийного скважинного клапана-отсекателя в нормальном режиме открыт, а в случае аварии на него воздействует следящая система с пружиной и поршень привода таким образом, что они закрывают основной клапан, перекрывая поток рабочего тела, причем клапан с крылом аварийного клапана обратного потока прижат к седлу обратным потоком рабочего тела.A system for protecting a well and main pipelines, including an emergency downhole shutoff valve and an emergency backflow valve, characterized in that the main valve of the emergency downhole shutoff valve is normally open, and in case of an accident, it is affected by a follower system with a spring and a drive piston so that they close the main valve, blocking the flow of the working fluid, moreover, the valve with the wing of the emergency backflow valve is pressed against the seat by the backflow of the working fluid.
RU97109720/03A 1997-06-10 1997-06-10 System for fire-protection of wells and trunk pipelines RU2135745C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97109720/03A RU2135745C1 (en) 1997-06-10 1997-06-10 System for fire-protection of wells and trunk pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97109720/03A RU2135745C1 (en) 1997-06-10 1997-06-10 System for fire-protection of wells and trunk pipelines

Publications (2)

Publication Number Publication Date
RU97109720A true RU97109720A (en) 1999-05-10
RU2135745C1 RU2135745C1 (en) 1999-08-27

Family

ID=20194026

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97109720/03A RU2135745C1 (en) 1997-06-10 1997-06-10 System for fire-protection of wells and trunk pipelines

Country Status (1)

Country Link
RU (1) RU2135745C1 (en)

Similar Documents

Publication Publication Date Title
CA2292663A1 (en) Valve for use in a wellbore
CA2458433A1 (en) By-pass valve mechanism and method of use hereof
ATE491905T1 (en) PRESSURE DEPENDENT SHUT-OFF VALVE AND HYDRAULIC SYSTEM THEREOF
DE58901581D1 (en) SHUT-OFF AND REGULATING VALVE.
NO981261L (en) Arrangement for early evaluation of formation tests
DE59209629D1 (en) check valve
DE59501642D1 (en) PUMP PROTECTION VALVE
KR970002049A (en) Sealing devices used in or in combination with valves for regulating and discharging steam and fuel oil, and valve seats for the sealing devices
GB8808986D0 (en) Valve
RU97109720A (en) WELL AND MAIN PIPELINE PROTECTION SYSTEM
ATE19145T1 (en) PRESSURE RELIEF VALVE.
SE9700413D0 (en) valve Bodies
DE69423217D1 (en) FLUID FLOW VALVE
NO952880D0 (en) Automatic recirculation valve
DK0652355T3 (en) Hydraulic drive unit with damper for inlet and outlet valve.
CA2333353A1 (en) Retainer insert for a valve having a floating closure member
GR900100312A (en) Security valve
ES2098825T3 (en) VALVE DEVICE FOR FLUID MEDIA.
AU618862B2 (en) Reduced pressure zone valve
SE8201177L (en) PRESSURE BRAKE VALVE BREAK VALVE OR HOSE WITH ENVIRONMENTAL PROTECTION OR HOSE
BR0009109A (en) Device for a container
SE9701044L (en) Valve assembly with the seat movably arranged relative to the valve housing
ES2180613T3 (en) BALL DETENTION VALVE.
FR2705424B1 (en) Non-return valve with flow limiter.
ES2091020T3 (en) VALVE, ESPECIALLY PRESSURE LIMITING VALVE.