Raptor™ 2.0 Cased-Hole Evaluation System Determined Saturation in New Well Without Openhole Data in Less Than 12 Hours, Maintained Schedule

Determine oil/water saturation in a new well where an openhole logging tool cannot be run in an 8 1/2-in. hole size due to a well problem. No openhole data was available in this section. The casing was set with 7-in., 26 ppf pipe.
Deliver the results in less than 12 hours to maintain the perforation schedule.

Following a thorough pre-job analysis, a Weatherford wireline and petrophysical team recommended using the Raptor 2.0 cased-hole evaluation system. The data would be acquired in both the advanced carbon-oxygen (C/O) mode (to log the well behind the casing) and in sigma mode (to help determine oil-water saturation).
Weatherford field personnel deployed the Raptor system and successfully logged the cased-hole interval.
Experts from the Interpretation and Evaluation Services studied the data and presented the results. The interpretation provided cased-hole porosity, thermal porosity, and bulk density where each curve agreed with the openhole data from the offset wells.
The well was successfully logged, and the interpretation result delivered on time.

The Weatherford solution maintained the customer’s schedule, incurring no additional cost by waiting for the perforation job execution.
The efficiency of the Weatherford technology and expert analysis enabled the customer to confirm the estimation of the perforation intervals and continue the drilling program.

Details

Location

Onshore Indonesia

Well Type

Oil producer

Formation

Bangko, Bekasap Sands

Hole Size

8-1/2 in.

Casing Size and Type

7 in., 26 ppf

Depth

600 ft (182 m)

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Raptor^™ 2.0 Cased-Hole Evaluation System