Page 65: of Offshore Engineer Magazine (Mar/Apr 2023)
TECH FEATURE DRILLING RIGS & EQUIPMENT echnology development
Driving Efcient is playing a crucial role in
Debris Recovery reducing emissions while
During a recent drilling campaign
T driving effcient hydrocar- in the United Arab Emirates, the op- bon recovery as the oil and gas in- erator required a more effcient solu- dustry increases its efforts to support tion for debris recovery which would international environmental targets. reduce rig time without compromis-
With global drilling activity set to ing the effectiveness of residue remov- increase by 19% this year compared al or personnel safety. to 2020 levels1, operators are increas-
Coretrax’s ADS was selected as the ingly looking to adopt new solutions most appropriate tool as it remains which deliver more effcient and eco- dormant in the string until activat- nomical operations.
ed, allowing the operations and liner
Debris recovery is an essential hanger preparation to be completed step of any drilling campaign to en- in a single trip.
sure that the well cleanliness is op-
The design features high torque timized before moving to the next premium connections making it suit- stage of operations, creating clean able to be in heavy-duty drilling BHAs setting areas for packers and reduc- even when drilling horizontal sections ing the risk of damage to subsequent with signifcant torques and drags. tools being run.
Once hydraulically activated, by
Well integrity and production op- dropping a ball from surface, the timization company Coretrax devel-
ADS’s blades provide 360° coverage oped its Activated Drilling Scraper for effective removal of debris. Mul- (ADS) to lie dormant in the drilling tiple activated drilling scrapers can bottom-hole assembly (BHA) until be run in tandem to scrape multiple drilling has been completed to deliver casing strings in a single trip, further a more effcient and effective debris optimizing drilling operations and removal and casing cleaning method. wiper trips.
When activated, a ball is dropped
While drilling, the ADS system was to activate the scraper and allow the run in hole with a 6” drilling assembly scraper blades to engage with the with two drilling scrapers positioned casing ID. The casing can then be in the 9-5/8” and 7” casing sec- cleaned and prepared for the installa- tions. The tagging depth of 15,378ft
Debris tion of packers, including liner hang- [~4687m] was reached, and the hole recovery is ers while pulling out of hole with the was circulated clean. The 7” scraper an essential drilling BHA. was then hydraulically activated, by step of any
Coretrax recently deployed its ADS dropping a 1.69” ball from surface, drilling technology for a client in the Middle followed by a 2.75” ball to activate the campaign.
East, which successfully eliminated 9-5/8” system.
the requirement for a dedicated scrap-
The 7” and 9-5/8” inner diam- er trip once drilling was complete, re- eter (ID) casing sections were then sulting in reduced rig time and effec- effectively scraped clean simultane- tive debris removal.
ously across the required intervals
MARCH/APRIL 2023 OFFSHORE ENGINEER 65