Scientific Drilling International推出的HALO旋轉導向系統兼具高效與快速，能夠最大限度提高鉆井作業水平。
來自丨Worldoil
編譯丨TOM
Scientific Drilling International在今年的SPE年度技術會議與展覽會（ATCE）上，宣布該公司的HALO高性能旋轉導向系統（RSS）已經實現商業化。經濟高效的HALO系統結合了更強的水平與方向控制、單個集成式套筒等，幫助開發商優化井眼軌跡，消除NPT與作業風險，縮短整體鉆井時間。
Scientific Drilling International公司首席執行官Phil Longorio表示：“旋轉導向系統在非常規頁巖中的重要性變得愈發突出，特別是作業者目前追求鉆出更長的水平段，以擴大儲層的產量。我們很高興的宣布，我們的新型HALO旋轉導向系統已經商業化，這有助于滿足作業者對可靠性與經濟性的要求，同時還可更高效的鉆出平滑的定向井筒，從而加快建井作業與完井作業?！?/span>
Scientific Drilling的HALO高性能旋轉導向系統解決了北美陸地作業者的可靠性與經濟性挑戰，其成本低，同時作業高效，鉆得的井筒更平滑。HALO系統設計堅固耐用，可在一趟鉆中鉆出垂直段、造斜段以及水平井段，且始終有助于避免昂貴的起下鉆，并提高機械鉆速（ROP），即使在最惡劣的條件下也是如此。HALO系統的造斜率高達15°/ 100英尺，其高級3D方向控制功能可提供無與倫比的水平段軌跡，使井眼更多的接觸目的層。
推進式HALO系統可以與傳統的泥漿馬達配合使用，最高作業轉速可達350 RPM，從而最大限度地提高性能，并減少作業時間與起下鉆次數。數據從系統的高速泥漿脈沖遙測傳輸到地面。該系統可以在不中斷鉆進作業的情況下，進行精確的動態定向控制。
HALO系統由一個集成式轉向裝置與MWD測量組件組成，具有方位角伽馬射線地質導向與隨鉆測壓的功能，在交付到鉆井現場之前，可實現完全組裝與鑒定合格。這將最大限度地減少了BHA組裝時間，并降低了相關的HSE風險。
得益于其緊湊的結構及優異的性能，HALO非常適用于非常規挑戰的高性能旋轉導向系統，并提供最大價值：
- 兼容高性能泥漿馬達，最高轉速可達350轉/分鐘；
- 造斜率高達15°/100ft，使油藏接觸面積最大化；
- 精確的動態定向控制，且不會中斷鉆進作業；
- 實時方位伽瑪射線測量與近鉆頭井斜角測量能夠提供最佳井眼布置，并防止意外的地層界面干擾；
- 通過連續的等效循環密度（ECD）監測，及早發現與預防鉆井問題；
- 下行命令可以隨鉆傳輸，將MWD數據脈沖傳輸到地面，無需額外的鉆機設備；
- 精確的井眼軌跡與出色的井眼質量。
其作業優勢包括：
- 提高鉆井性能，更高的轉速限制；
- 油藏接觸面積的最大化，高造斜率，最高可達15°/100ft；
- 提高鉆進效率，卓越的3D高級方向控制系統；
- 降低處理風險與隱形時間，集成式單套筒設計。
相對于同類工具，其特點也非常明顯：
- 從垂直段開始進行磁定位；
- 兼容高性能泥漿馬達；
- 實時方位伽瑪射線測量與近鉆頭導向組件；
- 利用實時環空壓力傳感器來進行連續的等效循環密度(ECD)監測；
- 在鉆進期間傳輸下行命令，同時將MWD數據脈沖傳輸到地面；
- 實時振動讀數：橫向、軸向與粘滑。
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Scientific Drilling International today announces the commercialization of its HALO high-performance rotary steerable system (RSS) at the SPE Annual Technical Conference and Exhibition (ATCE). The cost-efficient HALO system combines enhanced lateral and proportional steering control with a single integrated collar and high-performance capabilities to help operators optimize wellbore placement, reduce handling time and risk, and improve overall drilling time.
“The importance of rotary steerable systems in unconventional shales has become increasingly important, especially as operators are drilling longer laterals to extend their payzone yield,” said Phil Longorio, Chief Executive Officer, Scientific Drilling International. “We’re excited to announce the commercialization of our new HALO rotary steerable system, which helps meet operators’ reliability and economic challenges, while yielding more efficient, smoother directional wellbores, resulting in faster well construction and completion operations.”
Scientific Drilling’s HALO high-performance rotary steerable system solves U.S. land operators’ reliability and economic challenges while yielding more efficient, smoother wellbores. Designed to drill vertical, curve and lateral sections in a single run, the rugged HALO system consistently helps avoid costly trips and improves rates of penetration (ROP) even in the harshest conditions. The HALO system maximizes wellbore exposure in the target zone by drilling curve sections with build rates of up to 15°/100 ft, and its 3D advanced directional control functionality delivers unparalleled lateral placement.
The push-the-bit HALO system can be paired with conventional mud motors and operates at a maximum bit speed up to 350 RPM, maximizing performance and reducing rig time and trips. Data is transmitted to surface from the system’s high-speed mud pulse telemetry. The system allows precise on-the-fly directional control without interrupting the drilling process.
Consisting of an integrated steering unit and MWD survey package, with azimuthal gamma ray geosteering and pressure-while-drilling capabilities, the HALO system is fully assembled and qualified prior to delivery to the rig site. This minimizes BHA assembly time and mitigates associated HSE risks.
High-Performance Rotary Steerable System for Unconventional Challenges
DELIVERING THE ULTIMATE VALUE
- Compatible with high-performance mud motors with maximum bit speed up to 350 rpm
- Capable of drilling curve section with build rate up to 15°/100 ft, maximizing wellbore exposure in target zone
- Allows precise on-the-fly directional control without interrupting the drilling process
- Real-time azimuthal gamma ray measurements and near-bit inclination deliver optimal wellbore placement and prevent unintended bed boundary exit
- Early detection and prevention of drilling problems via continuous Equivalent Circulating Density (ECD) monitoring
- Downlink commands can be transmitted while drilling, pulsing MWD data to surface, and without requiring additional rig equipment
- Precise wellbore placement and exceptional hole quality
Benefits
- Improves drilling performance: higher RPM limits
- Maximizes reservoir exposure: high-build capabilities, up to 15°/100 ft
- Enhances drilling efficiency: superior 3D advanced directional control system
- Reduces handling risk and invisible time: integrated one-collar design
Features
- Magnetic referenced kickoff from vertical
- Compatible with high-performance mud motors
- Real-time azimuthal gamma ray measurements and near-bit navigation package
- Continuous equivalent circulating density (ECD) via a real-time annular pressure sensor
- Downlink commands are transmitted during drilling, while pulsing MWD data to surface
- Real-time vibration readings: lateral, axial and stick-slip
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