SJS helped set a new domestic record for staged fracturing operations in ultra-deep wells.
Release Date:
2024-11-28
Recently, at the Shengli Engineering underground operation site in Xinjiang, the well depth has reached… 1 The well fracturing reservoir stimulation task has been successfully completed, with the highest operating pressure reaching… 109.1 Megapascals, maximum displacement 15 cubic meter / Per minute. Setting a domestic record for the first well with a depth exceeding 7600 A new record has been set for multi-cluster perforation and staged fracturing operations using segmented bridge plugs in the Mi Formation.
During this construction project, equipment from Sichuan Si Ji Sai Wa Company was used. SHMB (Mechanical–hydraulic integrated) bridge plug well‑sealing services effectively prevented hydrocarbon leaks, ensuring safe well isolation. To avoid obstruction when the bridge plug passed through the hanger and to guarantee precise positioning, the Sichuan Four‑Machine Downhole Tools team specially machined a guiding cone at the lower end of the bridge plug assembly and employed cable‑based depth‑verification assistance during operations. Following meticulous execution, the bridge plug was successfully set at the designated location, passed pressure testing, and provided favorable wellbore conditions for subsequent perforation work. Through multiple rounds of technical refinement, Sichuan Four‑Machine Company… SHMB The bridge plug achieves a pressure‑reducing, seat‑and‑release design for ultra‑deep wells, and the all‑hydraulic release mechanism has evolved from its initial… 92MPa Reduce to 36MPa , significantly reducing construction complexity and capable of sealing deep wells 8200 The rig’s construction capabilities have been enhanced, and its functionality has been improved to enable the completion of both casing‑sealing and cementing operations in a single run.
Sinopec Machinery Sihua Company aims to establish itself as a “domestic industrial base for completion tools,” and is the first in China—and the fifth worldwide—to obtain certification for packers and bridge plugs. API The “Product Certification Certificate” is issued by a manufacturer whose core product line includes well‑completion tools such as bridge plugs, cement retainers, packer‑setting tools, and packers, as well as coiled‑tubing downhole tools. The company offers integrated completion‑tool solutions tailored to a wide range of well types and operating conditions, and has undergone… 10 Over the years of development, it has now become a production‑sales‑research base that serves both domestic and international markets, specializing in the design, manufacture, and service of downhole tools for oilfields. Its products are widely used in… 30 Multiple countries and regions. The company undertook domestic R&D to localize the completion string‑related tools for Puguang high‑sulfur gas wells. The domestically developed sulfur‑resistant completion tools have been successfully deployed in the Puguang Gas Field, marking Sinopec’s breakthrough of the technological bottleneck in high‑sulfur gas well completion tools and resolving the critical “chokepoint” issue with core completion equipment. Its “oil and gas well packer‑bridge plug” product ranks second globally in market share, with a domestic market share as high as… 93% Its outstanding performance earned it recognition from the Ministry of Industry and Information Technology as one of the “Single-Champion Products,” and it was included in the third batch of the Manufacturing Single-Champion Product List.
