The fluids produced during a test must be handled using surface testing equipment when permanent production facilities are not available. The surface testing equipment (described below) must perform a wide range of functions:
- quickly control pressure and flow rates at the surface and shut in the well
- accurately meter the fluids and collect surface fluid samples
- separate the resulting effluent into three fluids: oil, gas, and water
- dispose of the resulting fluids in an environmentally safe manner.
Four gate valves used to hang test string from elevator and to control flow through master and flow valves; if fitted with a swivel, it allows test string to rotate. Compatible with slickline and electric line operations.
Hydraulically actuated fail-safe gate valve for testing oil and gas wells; used to quickly shut in a well upstream of the choke manifold in case of overpressure, failure, a leak in downstream equipment, or any other well emergency requiring an immediate shut-in.
Multistation system that permits closure during testing operations in response to an emergency; remotely and simultaneously controls the flowline valve on the flowhead and surface safety valve.
Short sub connected to upstream side of choke manifold to provide additional pressure gauge, thermowell, and sampling or injection ports; allows connection of pressure and temperature monitoring equipment, as well as sampling and injection equipment.
Filter with two filter pots and interconnecting piping used to remove sand and other solid particles from well effluent to prevent erosion of downstream equipment.
Four manual valves (five if bypass valve is included) used to control flow rate and reduce well pressure before flow enters processing equipment.
Steam-heat exchanger used to raise the temperature of well effluents to prevent hydrate formation, reduce viscosity, and break down emulsions for efficient separation of oil and water.
Skid-mounted indirect-fired diesel heater used to raise the temperature of well effluents to prevent hydrate formation, reduce viscosity, and break down emulsions.
New-generation horizontal separator that can operate as a stand-alone unit or in combination with the PhaseTester multiphase flowmeter. The separator uses SmartWeir technology, which accommodates the most challenging well effluents and provides online separation for the entire job, from the beginning of cleanup until the end of the well test.
New-generation horizontal separator that can operate as stand-alone unit or with PhaseTester portable multiphase flowmeter with Vx technology. With Vx technology, flow measurements are unaffected by separation issues such as foaming oil, emulsions, and gas in the oil line.
Instrumented vessel that separates well effluent into three phases for onshore and offshore well testing; can operate as a stand-alone unit or with PhaseTester portable multiphase flowmeter with Vx technology.
Mobile water testing dischrge unit for exploration and development well testing and cleanup; efficient, cost-effective alternative to water storage, transport, and onshore disposal.
H2S service vessel that stores liquid hydrocarbons after separation; used to measure liquid flow rates and combined shrinkage and meter factor; also used as second stage separator.
Nonpressurized vessel used to measure flow rates and calibrate metering devices on separator lines; can also be used for temporary storage.
Pump that pumps oil from tank to burner or from tank into existing flowline; usually fitted with explosion-proof electrical motor for operations in Zone 2 regions; can also be fitted with diesel engine for remote location operations.
Manifolds that divert oil or gas without flow interruption from a separator to burners for disposal, to a tank for measurements or storage, or to a production line.
Modular boom that keeps flare at a safe distance from the rig structure, reducing heat radiation and fire risk.
Heavy-duty modular triangular boom, designed for use in the North Sea; keeps flare at a safe distance from the rig structure, reducing heat radiation and fire risk.
Single-head, 12-nozzle, well test oil burner for onshore and offshore exploration and development well testing and cleanup; provides environmentally friendly alternative to oil storage that is efficient and cost effective.
Simplifies the sea fastening process with optimized packaging and a state-of-the-art locking system.
Tests (EWTs) used to evaluate productivity and characteristics of a reservoir. EWTs also provide a way to test sand control techniques and process- and production-related technologies.
Well test design software that provides a realistic steady-state simulation of actual field conditions to facilitate surface well test planning; main goal is to enhance safety of the well test environment.
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