... upstream oil & gas abandonment operation well decommissioning spear downhole hydraulic cement stringer rig assembly customer piston pump pressure OTC-27618-MS Efficient and Safe Casing Removal with Downhole Hydraulic Pulling Assembly C. J. Hartman, J. L. Cullum, and J. E. Melder, Baker...

... techniques including pressure-balanced pistons using gas energy for assisted closure, hydraulic balance lines, or a heavy spring to ensure failsafe closure in the event of an emergency shutdown. Each of these techniques has an impact on the valve s characteristics, which can raise concerns about valve...

... set-up for operation of SCSSV and balance of control-line fluids across operating piston Non-tubing pressure sensitive Lower operating pressures Operating system isolated from wellbore pressure Debris protection Setting at any depth Fewer moveable parts and seals than other SCSSVs...

... criteria downhole intervention reservoir characterization shear strength otc 19290 underpressure completion installation and operations diameter seabed sampler sampler strength subsea system penetration sample quality piston core barrel interface shear strength liner laboratory...

... method helical compression spring piston boyle subsea system replacement compression spring technology conference diameter calculation accumulator otc 17990 water depth drilling equipment usable fluid well control equipment deeper water Copyright 2006, Offshore Technology Conference...

... that generates the energy to move this cone through the pipe is a hydraulic piston and anchor combination. This system functions by translating the pressure applied to the wellbore drillpipe fluid to mechanical linear force via a downhole piston attached to the expansion cone. The piston-generated force...

... of casing helpsoperators utilize existing rig equipment sizes and capabilities1. retrieval tool installation drilling operation clearance drilling equipment casing design diameter nominal seat protector hanger upstream oil & gas piston landing sub casing and cementing drill pipe...

... piston knowledge management upstream oil & gas brunei icv optical fibre control line hydraulic control intelligent offshore completion completion installation completion monitoring systems/intelligent wells case history control valve packer otc 15191 reservoir zone multi-drop...

... to enable communication into the Interval Control valves (or other flow control device) piston. This device is termed the digital hydraulics decoder unit. Any single decoder unit in the well is connected across the control lines such that it will respond to only one sequence of applied pressures. Once...

... system was critical for project success. For that reason, considerable research and analysis went into the selection of the SCSSV system configuration and components, and as a result of that research, a system utilizing tandem rod- piston, non-equalizing, flapper-type SCSSVS with selective lock- open...

... pressure drop gelcoat information thickness otc 7348 valve actuator untreated seawater offshore technology conference seawater upstream oil & gas fabrication cylinder assembly composite material piston actuator enhanced recovery arrangement subsea system prototype...

... inside the main drill string and which utilizes a high speed electric top drive to turn the mining string. wob drill string upstream oil & gas friction ocean drilling program deployment resistance nozzle piston penetration bit flow coefficient frequency assembly diamond...

... or instrument line but as packers become multi-stringed there is more potential for "things going wrong" and hence resettability becomes more attractive. zonal isolation straight pull packer release spring upstream oil & gas otc 7066 piston modification completion installation and operations...

... to the equipment used in the testing; by assembling it to the short loop and pumping the tool string against the loadcell, the force generated by each piston locomotive in the toolstring will be determined, and also efficiency loss caused by the presence of spacer bars in the toolstring will be studied. A second...

... in Figure 1. The MULTIPULSE system generally includes a number of MULTIPULSE sources, each of which includes radiating pistons which are accelerated synchronously either inward or outward, each direction at a single specified MULTIPULSE is a registered trademark of Hydroacoustics Inc. Illustrations at end...

... end bearing probe apparatus friction sleeve plunger cell 18 skin friction piston explorer friction subsurface condition friction ratio investigation information upstream oil & gas reservoir characterization offshore technology conference load cell 23 piston OTC 5421...

... uncompensated load (compensating piston rod fully extended) of approximately 1000 tonnes. SUBSEA COMPONENT DESCRIPTION The SAS unit is a part of a deep water subsea production system which will drain hydrocarbon reserves using conventional subsea well drilling and hydrocarbon producing technology...

... moments to maximize the integrity of the connection. The preload of these connectors is produced mechanically by a hydraulic piston or pistons forcing locking members inward. The outer member(s) or locking segments that makeup the tensile pre-stress load path are stretched and compressive force...

... in the insert valve's operation and retrievability. configuration line valve upstream oil & gas newest tfl retrievable safety valve otis engineering corp mandrel drillstem/well testing external packing subsea completion ball valve completion safety valve piston drillstem testing nipple...

... ABSTRACT The undrained shearing strength of fine grained soils is usually the most important geotechnical-parameter needed to predict failure load for seafloor supported structures. It can be obtained by testing gravity or piston core samples, but the value may differ from the in place...