Research and production enterprise that creates special and unique methods and technologies for geophysical research of oil and gas, ore and coal wells

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PGM Sampler Series

SCOPE OF APPLICATION

PGM-28-300

  • Oil and gas wells equipped with sucker rod pump

PGM-36(38, 42)-300, PGM-48-500

  • Oil and gas wells

PGM-38(48)-500

  • Oil and gas wells
  • is limited in use when viscous, waxy oils are present in the wellbore due to difficult circulation through the sampler reception chamber during its RIH to the sampling interval     

FEATURES

  • Fluid and gas sampling is carried out into a sealed transportable container for subsequent analysis in laboratory conditions
  • Pressure and temperature recordings are taken during entire time the sampler is in the borehole
  • The sampler is conveyed to the target depth on a logging cable; it is controlled by applying voltage to the sampler from the surface using a standard logging power source 
  • PGM samplers are software and hardware interfaced to the VULCAN surface system
  • In PGM-28-300 sampling is performed from the wellbore  in a static position by swabbing method, which prevents sample degassing (suction type sampler)  
  • While RIH of PGM-38(48)-500 the connection of the inner cavity of the container with the fluid in the wellbore is provided; when the tool  is set at a given depth on command from the surface, the lower and upper valves on the container are closed providing sealing of fluid and gas sample under formation pressure (flowing sampler type); sampling is performed from the wellbore space

ADVANTAGES

  • Low weight and size
  • Easy to use
  • Tripping out oil and gas samples to the surface in a sealed container                                                                                         

SAMPLING OF FLUID AND GAS FROM ANNULUS

Challenge

Sampling of fluid and gas from annulus accompanied with pressure and temperature

Solution

PGM-28-300 Sampler

Fluid and gas samples are taken from annular space into a sealed transportable container in a static position by swabbing method, preventing sample degassing (suction-sampler) for their subsequent analysis in laboratory conditions. Pressure and temperature are recorded during entire time the sampler is in the borehole.

The sampler is wireline-delivered to the specified depth; it is controlled by applying voltage to the sampler from the surface using a standard logging power supply.

Results

An experimental model was manufactured and tested at one of the oil and gas fields of OOO TNG-Group (LLC).

It was made 3 trips and taken 3 samples, number of failures is 0.

Advantages

  • Low weight and size
  • Easy to use
  • Tripping out oil and gas samples to the surface in a sealed container

Key benefits

The use of the geophysical module as part of the sampler allows us to identify the bubble point pressure intervals.

Location:

Russia

Well:

Vertical

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