ABERDEEN, UK -- Xcite Energy has announced the results of the 9/3b-5 appraisal well on the Bentley field.
The well was drilled to 4105 ft (1224 m) TD and encountered heavy oil bearing Palaeocene Upper Dornoch formation sands. The well test met all of the company's principal objectives, including confirming the characteristics of the reservoirs and obtaining productivity data.
The characteristics of the reservoir were confirmed as:
•High porosity and permeability unconsolidated sandstone
•Temperature of over 103 ºF
•Depth to top of reservoir 3,712 ft (1,131 m)
•No gas cap
Based on these results, Xcite believes that commercially viable production rates are achievable through the application of horizontal well technology coupled with appropriate artificial lift, including submersible pumps. The company says it intends to plan for the next phase of the development process which will include EOR techniques.
Based on the success of the 9/3b-5 appraisal well, the company also intends to re-process the 3D seismic data over the block to confirm the results of its recent 3D interpretation, which indicated a material increase in STOIIP compared to the 2D seismic.
The Bentley heavy oil field is on block 9/3b (license P. 1078). Xcite Energy holds 100% working interest. Bentley has been drilled by three of the four previous wells on block 9/3b, being wells 9/3-1 (Amoco, 1977), 9/3-2A (Conoco, 1983) and 9/3-4 (Conoco, 1986). This is the fifth well on the block.
"The outstanding success of the 9/3b-5 appraisal well takes us past another of our key milestones for the Xcite Energy business and for the Bentley field, one of the largest undeveloped heavy oil fields in the North Sea," says Richard Smith, CEO of Xcite Energy.