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Senin, 25 Mei 2009

Radial drilling


Radial drilling technology produces enhancement of producing and shot off wells by using high pressure fluids to “drill” radial channels out from the existing bore up to 300 feet.

This effectively increases the drainage area from a well and has resulted in massive increases in production. Utilizing existing well shafts, the Radial Drilling technology enters areas in a “wheel and spoke” fashion and penetrates out up to 300 feet, and in up to 16 different directions, at any given depth. The Lateral Drilling technology has efficiently and successfully drilled laterally in excess of 400 feet. The Company believes that it can establish itself as the foremost expert in the successful application of this energy recovery enhancement technology. The technology has the ability to drill up to 8 laterals in four to five days (4-5) days into an existing pay zone. The Radial Drilling technology is best suited for existing oil and gas wells that are drilled to a depth of eight thousand feet (8000) or less. This market is estimated to be well in excess of 1,000,000 wells.

With the use of Radial drilling, oil that otherwise would have remained beyond the reach of conventional technologies can now be recovered efficiently and economically. In some cases production recovers to a level that equals or exceeds that of the well’s initial production. This enables drilling farther into the strata

The images below demonstrate how Radial Drilling can significantly expand the production area within a given field. An average well will pull petroleum from an area of up to 120 feet from the well bore. The Radial Drilling technology extends the production area up to 300 feet from the well bore. Traditional well bore configurations pulling from 120 feet equates to a total volume of pay zone of 271,296 cubic feet. Each Radial of 300 feet will potentially pull from over 360,000 cubic feet. Four such Radials will therefore pull from over 1,440,000 cubic feet from the well bore.


Source Photo: www.radialdrilling.com

Radial Drilling utilizes patented technologies in the areas of the design and manufacture and the process of high pressure fluid jet drilling. The figure below more precisely illustrates the process. The Radial Drilling process works on both new and existing wells, but performs best on formations of low permeability such as depleted wells that are ready to be capped because they are no longer economical.

The strong market potential for deployment and market acceptance of this technology exists because there are literally millions of wells that fit the description of the ideal ‘target” well and secondly, enhancing production from existing wells eliminates the expense of new exploration and drilling thereby reducing exploration risk.

Features of Radial Drilling include:
* The lateral drilling process is fast. Average time the rig is on the well is only four to five days
* Cuts a two (2) inch diameter hole horizontally up to 300 feet from the well bore
* Holes can be drilled at several levels

Benefits:
* Increase production rate and recoverable reserves from marginal wells.
* Improves injection rates in water disposal/injection wells.
* Allows directional treatment of wells e.g. acid, steam, CO2, etc.
* Allows multi-layer application in thicker reservoir zones.
* No need for large, expensive rotary rigs
* No casing milling equipment necessary
* No additional stimulation required
* Average operation duration is one to four days per well, thus limiting the time the well is out of production.
* No logging expense required
* No need to change well-bore configuration 


Source: www.platinumpetroleum.com



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