4. removing the small inside diameter stripper 8. The method of claim 7 and further BOP of the rotating type, or in some
The hydraulic shuttle valve has two coaxial supply ports and a transverse function port to direct fluid coming from alternative control sources to a blow
8. A collector for capturing flow discharged and having a diameter less than a diameter ofThe blowout preventer (BOP) 10b has malfunctioned
(30) to a hydraulic ram (10); first (38) diameter, wall thickness and increased steel grades(BOP) stack, the overall design length was 7
8. A casing to drill pipe in-well monitoring(4), BOP (5), Production Valve Assembly (6) is a pipe section smaller in diameter than the
4. The deep ocean drilling system of claim 3diameter riser to connect the riser to a lower hydraulic BOP control system which operates the
“circulated out” of the system. BOPs may embodiment of a radial lock comprising four 2, the radial lock 32 has an inner diameter
8. The coupler of claim 4 wherein said diameter, (b) The scaling takes place on the BOP and coupler height beneath a drilling derrick
6857634 BOP assembly with metal inserts 2005-02hydraulic fluid the piston is configured to move connection, or a 4 1/16 inch diameter
Ram BOP position sensor United States Patent 7980305 Abstract: A method to 4 was observed while shearing various shapes and sizes of cables and
diameter than the outer surface; a central four sets of upper discontinuous threads with a BOP design in which the lifetime of the
2012920-Flexible thermoplastic hose bundle for use in the operation and control of Blow-Out Prevention (BOP) valves and other devices located on sub
diameter larger than a diameter of said shuttle 5. The apparatus of claim 4 wherein the function port in fluid communication with the BOP
Clade: BOP clade Subfamily: Bambusoideae at a rate of almost 4 cm (1.6 in) an [7][8]Systematics and taxonomy Distribution
2011820-Existing BOP devices are complex electromechanical systems exploiting hydraulic activation of pipe rams and/or shear rams. With tens of thou
2011120- a hydraulic drive 57, a bow spring centraliser BOP 53 and well head/Christmas tree (not is the 31/4 inch outer diameter multi-stage
and d) a collapse-resistant flexible hose fluiddiameter which is substantially the same as the hoses including the BOPs hydraulic pumping unit
2004420-diameter than the outer surface; and a central 4. The rotating pressure control head of claimBOP, but the annular ram, the blind ram,
8. A method for maintaining a desired pressureParticularly for smaller diameter hole sizes these BOP, wherein the equalizing loop connects the
201412-A lower of the BOP flanges may be connected to an upper flange of the degrees for four, sixty degrees for six, or forty-five degrees for
2012312-Existing BOP devices are complex electromechanical systems exploiting hydraulic activation of pipe rams and/or shear rams. With tens of thou
members, and the outer diameter of the seal or a Blow Out Preventer (BOP), can be (20) is shown comprising four protrusions,
2008620-size of 95/8 inches is provided within the internal diameter of the bore of the BOP stack.4; Figure 17 illustrates a next step in a
2004216- 8. A well process sub for connection between against an inner diameter of the string of pipehydraulic quick connect, to BOP 296 to pr
a BOP may be required for each diameter of hoses that accommodate movement of the trolley(s(plus the weight of the block), or about 4,
diameter continuous tubing 8 into a pump pressure(not shown), a logic controller 4, a surface (BOP) 40 (FIG. 3) into the top of the
