Well Test Analysis with pressure rate deconvolution

Project Completed

Post DST Well Test Analysis with Pressure Rate Deconvolution

OPC interpreted a DST on an appraisal well in the Norwegian sector of the North Sea which was tested almost 10 years ago.

This reservoir was characterised into three layers with one of the perforated layers not contributing to flow as seen by the PLT. By using the multi-layer PTA modelling ability of the PIE PTA programme, OPC in-house interpretation consultants managed to give a distribution of the permeability to the individual layers. These results will greatly aid in the building of a numerical model for Field Development Planning for the operator.

The OPC team also used ConvEx (Pressure Rate Deconvolution) to extract a larger minimum connected volume than otherwise seen by a single build up.

Summary

REGION:

Europe
OFFICE:

OPC London and Houston
DURATION:

2 weeks

Disciplines utilised during project

Well testing

OPC well testing experience covers all possible well types; horizontal and vertical, oil and gas, HPHT, in both onshore and offshore (shallow and deep-water) locations globally.

Reservoir Engineering

OPC is one of the leading independent reservoir engineering consultants in the world providing services on a global basis to IOCs, NOCs and independent oil & gas businesses.

Reservoir engineering studies have included phase behaviour and equation of state modelling and production engineering.

Pressure Transient Analysis

OPC specialises in Pressure Transient Analysis (PTA), also known as Well test analysis, which involves the interpretation and analysis of Drill Stem Test (DST), Extended Well Test (EWT) and Production/Injection permanent downhole gauge data.

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OPC provides well testing expertise throughout the globe

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