Increased Production in Mexico's HPHT Quesqui Field | SLB

Customized separators helped high-GOR wells flow at 40,000 bbl/d in Mexico's HPHT Quesqui Field

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Mexico, North America, 陆上

An agile response helped PEMEX bring four wells online, flowing ~40,000 bbl/d of oil and 215 MMcf/d of gas. After a second solution package was deployed, total field production increased by an extra 14,000 bbl/d of oil and 49 MMcf/d of gas.

In early 2020, the government of Mexico announced major discoveries in the Quesqui Field (state of Tabasco). With estimated proven, probable, and possible (3P) reserves up to 700 million BOE, it was the country´s single largest oil discovery since the late 1980s. From the start, field development surpassed the carrying capacity of existing facilities and pipelines, creating bottlenecks in the production process. While PEMEX worked to build more production pipelines and upgrade its facilities, it needed a fast way to handle the additional field production without disrupting operations.

Flowing at ~12,000 psi and ~160 degC, the Quesqui wells presented significant engineering challenges. In addition to high flow rates, a major challenge was the high-GOR content, which required robust separator capacity on site. The operator already had an onsite separator that could temporarily handle the production, but significant modification and retrofitting was required to avoid creating additional bottlenecks in the production process.

These state-of-the-art solutions met the challenge in record time—with one package delivered in as little as 10 days. After successful startup, the project was handed over to the operator with proper procedures put in place. As part of the handoff, SLB shared its knowledge on how to operate separators in high-pressure, high-flow rate environments and assisted the operator with troubleshooting to solve operational issues. Assistance from SLB helped the operator bring new wells online rapidly and achieve major increases in production for this important new field.

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