Direct XCD Bit Helps Parex Resources Reduce Drill Time by 17.6% Below Plan and 53% Below Nearby Offset | SLB
Home Resource Library Direct XCD Bit Helps Parex Resources Reduce Drill Time by 17.6% Below Plan and 53% Below Nearby Offset

Direct XCD Bit Helps Parex Resources Reduce Drill Time by 17.6% Below Plan and 53% Below Nearby Offset

Published: 10/13/2017

Concrete blue texture
The Direct XCD bit reached target depth within 7 hours of drilling time.
The Direct XCD bit reached target depth within 7 hours of drilling time, which is 1.5 hours less than the planned drilling time and 53% less than the drilling time required on a nearby offset. This represents an average ROP of 132.8 ft/h.
Location
Colombia, South America
Details

Llanos, Basin Aguas Blancas 27
Casanare, Colombia

Lithology
Siltstone, sandstone, sand, claystone

Interval
12 1/4 in

Depth
60–726 ft
[18.29–221.29 m]

Flow rate
200–600 galUS/min

Speed
30–135 rpm

WOB
4,000–18,000 lbf
[17,793–80,068 N]

Background
Parex Resources wanted to improve ROP while drilling a 12 1/4-in shallow section for a 9 5/8-in casing. Using the i-DRILL integrated dynamic system analysis service, a drill map was developed for the section depth from 60–726 ft [18.29–221.29 m]. While the drill time of the nearest offset was 15 hours, the plan using a Direct XCD drillable alloy casing bit predicted 8 1/2 hours of drill time.
Products Used
Allegro Casing-While-Drilling Services
Minimize NPT and drilling risks in unstable formations

Improve well-construction performance, efficiency, and coordination while reducing wellbore instability.
i-DRILL
Integrated dynamic system analysis service

Minimize vibrations and stick/slip during drilling operations and optimize BHA performance for a given environment.
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