"Offtake from the [North Sea Field] has been excellent. Production is up some 25%, reversing earlier field decline. Excellent work has been done by the sub-surface alliance partners in generating this improvement, which included superior reservoir management, improved run times on the ESPS, improved well operations, and the use of [the Titan Process] treatment."
—A. Mathur, North Sea Exploration


Significant increase in production and cash flow
Low cost
Low risk: A simple pilot test is implemented on 2-3 wells
No capital expense
Increased recovery
Life of field is extended for years
Reduced lifting costs
Costly oil field shutdown expenses for mature fields are postponed
Environmentally friendly (hydrogen sulfide decreases; no harsh chemicals or additives used)
Oil production increases within 2 weeks to 2 months depending on the size of the field
During the Titan Process, producing wells are not shut in

North Sea Results
United Kingdom

The Titan Process (then called "BOS" for "Biological Oil Stimulation") was applied to an offshore field in the UK Sector of the North Sea in early 1992. In total, eleven cycles of treatment were preformed over a three and one half year period. The field was on a well established decline rate and the field was scheduled for abandonment in 1996. The field continues to produce today. Some overlapping production changes were implemented which confused the results to some extent, but there was definitive evidence (corroborated by a third party consultant) indicating a significant portion of the noted 25% overall production increase was attributable to the BOS process.

In 1991 monthly production levels were matching the decline schedule closely (see graph below). In December of 1991, the first treatment occurred and a dramatic production increase followed. Post treatment oil recovery was over and above the original decline schedule.

Oil engineering technology is a sophisticated science. One of the most important and crucial applications of this science is the design and formulation of production decline curves. Production declines are usually very accurate and based on years of field information. Since past declines are measurable and current decline data is in real time this allows for accurate projections. Therefore, any major positive change in a long-standing decline is highly unlikely. The significant change in the decline and the increase in oil production at the Beatrice field were considered extreme by oil industry standards. The only new technology applied to the Beatrice field was the Titan Process.

British Petroleum lab tested and carefully reviewed the microbial process before they implemented it in the Beatrice Field. BP had the field serviced with the technology for four years (1992-1995).

The second largest oil company in the world spent four years with this process. At this time there were other engineering experiments also being used at Beatrice by the BP petroleum engineers. Bridgefield Consultants (see below) acknowledged most of the 25% increase was due to the BOS technology (now referred to as the Titan Process). BP then sold the field to Talisman.

Talisman (the new owners) announced in 2001 they would spend $70 million on the Beatrice Field (mostly on a pipeline) and expect that it will continue production for another 5-10 years. Therefore, 11-16 years more production is now expected from a field that was expected to be decommissioned in 1996.

The chart below depicts in barrels of oil per day (bopd) the approximate monthly changes in production after the Titan Process was applied versus the established decline schedule. During this three-year period the increased production amounted to approximately 55.3 million barrels of oil. This was a 51% increase over the expected three-year production schedule.



Although it is not scientifically verifiable that a major field reprofiling was accomplished by the Titan Process, the following quotes from BP and Bridgefield Consultants infer positive results from the application of this new technology:

"Offtake from the [North Sea] Reservoir has been excellent. Production is up some 25%, reversing earlier field decline. Excellent work has been done by the sub-surface alliance partners in generating this improvement, which included superior reservoir management, improved run times on the ESPS, improved well operations, and the use of BOS [Titan] treatment from Live Oil."
—North Sea Exploration, A. Mathur

"Oil Production from the [North Sea] Field is up some 25%. From the production data which we have seen to date it is clear that the improvement due to BOS [the Titan Process] is responsible for the largest part of the reversal in decline and 25% increase in production."
— Bridgefield Consultants, Tom Radford, M. A., C. Eng.

Performance of the Titan Process on the North Sea Reservoir

The following testimonial contains exerpts from a letter received from Mr. Tom Radford, M.A., C.Eng., of Bridgefield Consultants with his comments on the increases in production in the Beatrice Field:

BRIDGEFIELD CONSULTANTS LIMITED

51 Pelhams Walk, Esher, Surrey KT10 8QA, England



2 April, 1997

Noel Carroll
Live Oil Services NV
98 Mount Street, Suite 2
England W1Y 5HF

Dear Noel,

Last year (July1996) BP confirmed that "Oil production from Beatrice Field is up some 25%, reversing the earlier field decline." Prior to that, BP had been making operational changes to increase gross fluid throughput. BP were uncertain as to which of the changes, or the BOS* [Titan Process] treatments which had by then been applied over several years, was responsible for the increase in oil production as opposed to the additional water which was both injected and produced.

They agreed to work with Bridgefireld Consultants Limited to quantify the portion of this extra oil which was due to the BOS process, since we had already shown that the ratio of water to oil was decreasing in individual wells, when it would otherwise be expected to increase. Their negotiations for the sale of the field intervened and it is only recently that Talisman, the new owners, have been able to resume the co-operation which BP had promised last year.

These studies will be thorough and complex and it may be some time before the results are published, but from the production data which we have seen to date, it is clear that the improvement due to BOS is responsible for the largest part of the reversal in decline and 25% increase in production.

We have noted a wave of additional oil (reduced water cuts) passing from well to well across the field in 1995/6. This effect caused one well to produce again, after being shut in for some years, and then to flow dry oil for a limited period before its water cut once more increased. We may soon be able to quantify this effect and then to plan the sequence of BOS treatments so that an even greater improvement in performance is gained, than at Beatrice.

Yours faithfully,

Tom Radford,
Bridgefield Consultants Limited


Director: T.S. Radford, M.A., C.Eng., Finst.Gas E., Finst.Pet., PESGB, SPE

*Note: The Titan Process was formerly known as BOS (Biological Oil Stimulation).
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