... and telecommunication bandwidth should be monitoring all the time. Parallel with that, there is the possible threshold setting should be estimated as per API 1149 that impact on leak detection performance from several factors i.e. accuracy of pressure, flow, and temperature transmitter, slack line condition...

... rotation target well active magnetic ranging offshore technology conference conductivity upstream oil & gas well logging relief well magnetic field stabiliser drilling operation drill pipe transmitter accuracy Introduction During a field development lifetime, it is common to drill...

... in this study is equipped with a receiver array comprised of thirteen stations and multiple transmitters situated at a plurality of locations with respect to the receiver array and capable of exciting axisymmetric monopole and cross-dipole wavefields in the borehole within the sonic bandwidth of 0.5-20 kHz. Two...

..., is shown in this paper, including details of the methodology applied to the test, parameters considered and the data processing. evaluation amplitude frequency formation signal acoustic technology pipe cement bond evaluation receiver attenuation presentation cement evaluation transmitter...

... results of qualification tests with a comparison to industry-leading technologies and presents some examples of how this sensor technology can be used to benefit the industry. Design validation testing was undertaken to full transmitters, in many cases with a direct comparison to quartz-based sensors...

... a set of tools that are highly efficient and capable of providing new abilities. For example, resident autonomous underwater vehicles (AUVs) equipped with the optical transmitter would be able (i) to charge batteries of undersea sensors such as wellhead sensors and telemetry of well-monitoring systems...

.... oil and gas detection wellbore riser adapter sensor drilling fluids and materials flow loop transmitter density change riser annular pressure drilling well control formation fluid offshore technology conference differential pressure fraction density measurement fluid density drilling...

... management enhanced recovery widh pressure transmitter maximum widh pressure pressure transmitter upstream oil & gas injection well dhpt OTC-25815-MS Water Injection Pressure Protection System (WIPPS) in Deep-Water Development Offshore Brazil Hugg Dave, Shell International E&P Inc.; Kilic...

... the seafloor (Kowlaczyk, 2008). It comprises a transmitter coil wrapped around the ROV and an electric field sensor mounted close to the ROV. This system has successfully mapped high-conductivity zones corresponding to high grades of copper and gold. This system has detected blind mineralization at a depth...

... well control monitoring relay well operation chevron sensor control system maintenance controller protection instrument operator communication transmitter pressure interlock protection OTC-25190-MS Wellhead Pressure Interlock Protection Russell Carlson, SOR Inc.; Wright LaQuayne...

... tank coating systems and surface preparation" /3/ Appendix 3 -Testing and classification of ballast tank coatings) pressure transmitter integrity alternative approach specification break valve upstream oil & gas requirement overpressure transmitter protection shutdown offshore...

... eld conductivity csem data transmitter attenuation otc 17168 exploration electric eld upstream oil & gas resistivity frequency mt data reservoir characterization sea oor hoversten magnetic eld inversion geophysics offshore technology conference hydrocarbon exploration...

... variations in Earth s electric and mag- netic fields. We also collected CSEM data by deep-towing an EM transmitter about 100 m above the seafloor and transmitting a 100 200 amp square wave of about 5 Hz through a 90 m dipole antenna. The transmitter instrument was the recently commis- sioned Scripps...

... phase in the predominantly gas production fluid must be considered when evaluating options for the measurement of the gas and liquid flow rates per well. differential pressure transmitter flow metering redundancy calculation transducer water depth canyon express allocation composition...

... was developed for proactive well placement. The tool has a very large radial response that allows accurate determination of the distance to reservoir boundaries and fluid contacts tens of meters away from the borehole. The tool has a modular design with separate transmitter and receiver subs that can be placed...

... because the probe becomes stuck in the latch or mechanically fails can be eliminated. Finally, the additional rig time required for preparation and running of the probe to move the acoustic telemetry system (ATS) transmitter up to proper depth is saved, reducing operational costs. The system is compatible...

... program offshore gabon offshore gabon drillstem/well testing transmitter flow period telemetry system operation information valve gauge surface readout temperature data drillstem testing dst offshore technology conference real time system Copyright 2003, Offshore Technology Conference...

... and shalleliminate potential ignition sources. offshore emergency shutdown system installation spool q---- otc 7718 upstream oil & gas reliability technology conference transmitter actuator shutdown system subsea system esd valve emergency shutdown system plug control system valve...

..., in order to assure that the HIPPS is electrically fail-safe. If a HIPPS module con- trols valves on several wells, at least one valve per well shall be electrically fail-safe close. All valves used for HIPPS purposes shall be hydrauli- cally fail-safe close. The pressure transmitters used by the HIPPS...

..., operated by the process gas, for sensing overpressure and closing the QSV S.On Sleipner B pressure transmitters were used due to the wellstreamfluid. A pressure switch was considered more susceptible to hydrate formation, plugging by solids etc. The major requirements for the QSV instrumentation were...