APPLICATION
/ Fish Bypass
/ Wellbore Intercept
TECHNOLOGY
/ MagTraC MWD Ranging™
/ gyroMWD
LOCATION
/ Northeast, US
DOWNLOAD CASE HISTORY
/ PDF File
CLIENT CHALLENGE
An operator faced a 340 ft lost BHA, including RSS and drill pipe, and needed to bypass this fish and re-enter the open hole to recover
production. All previous attempts to free the fish at 2,590 ft MD had proved unsuccessful. The customer needed to seal the wellbore to comply with the regulatory requirements to continue operations and frac the surrounding wells.
SCIENTIFIC SOLUTION
Scientific Drilling’s MagTraC MWD Ranging™ and gyroMWD services select to facilitate wellbore positioning around the fish. Ranging shots were taken at 3,100 ft after sidetracking from the whipstock set 130 ft above the fish. Twelve ranging shots showed no indication of the re-entering of the wellbore—the revision of the plan and development of a whipstock 230 ft above the fish. The execution of the ten ranging shots during the interval and drilling continued below the bottom of the fish. Reports showed variable drilling parameters, variable ROP, and torque. SDI entered the open hole at approximately 3,000 ft MD with high ROP in changing mud conditions.
client VALUE
The client could set casing to TD and recover a significant section of the wellbore at risk of loss. Saving the client over $3.5M in potential lost production enabled them to proceed with operations on the additional offset wells as planned.
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