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Hilong Petroleum Tubular Goods Research Institute

The Institute has set up an academician workstation and a post-doctoral workstation, owns leading scientific and technical talents of Shanghai, outstanding academic leaders and Rising-Star talents. It has over one hundred invention patents and utility model patents, and has undertaken more than ten Shanghai and national projects.

The institute is a member unit of Failure Analysis Institute of China Mechanical Engineering Society (CMES), and China Testing Machine Standardization Council, council member of China Industry-University-Research Cooperation Promotion Association. The Institute became qualified as a member of Failure Analysis Branch Institute of CMES in 2006; in 2010, Shanghai Engineering Research Center for Petroleum Tubular Goods was founded based on the Institute; in 2011, as affirmed by Shanghai Enterprise Technology Center in 2011, the inspection and testing center affiliated to the Institute became qualified by China National Accreditation Service for Conformity Assessment (CNAS) as accredited laboratories .

Research Fields

- Development of special drilling tools used in harsh service environment;
- Failure analysis and quality supervision for drilling tools;
- Welding technology research for pipelines, especially for composite steel pipes and offshore pipelines;
- inspection and testing of metallic materrials.

RFID drill pipesHilong RFID drill pipes are developed for the needs of digital management of drill pipes and the special use environment. Application temperature of special electronic tags for drill pipes: -60℃--220℃, compressive strength: 150MPa, which can meet the long-term use requirements of harsh downhole environments. The supporting data collection management system can effectively improve the efficiency and accuracy of data collection in the use and management of drill pipes.
Hilong Super High Torque Connection (HLST)HLST is a new generation double-shouldered fitting developed by Hilong based on HLIDS, which is suitable for wells in harsh conditions, such as deep wells, superdeep wells, horizontal wells, extended reach wells, and sulfurous environment.
Hilong Sour Service Drill PipeHilong Sour Service Drill Pipe is a special type of Hilong self-developed drill pipe capable of the resisting hydrogen sulfide stress corrosion, in order to meet the need for the oil and gas exploitation, drilling and exploitation operations in sulfurous and highly sulfurous environment.
Hilong Aluminum Alloy Drill PipeHilong Aluminum Alloy Drill Pipe (HLADP) features low specific weight, high flexibility, and corrosion resistance, suitable for oil and gas exploitation in ultra-deep well, horizontal well, high corrosive medium well, directional well and other wells with complicated conditions.
Hilong Efficient Cuttings Bed Clean Drill ToolHilong Efficient Cutting Bed Clean Drill Tool (HLECDT) is designed specifically to improve hole-cleaning performance in horizontal or complex non-conventional wells. It includes the Hilong Efficient Cuttings Bed Clean Drill Pipe (HLECDP) and the Hilong Efficient Cuttings Bed Clean Heavy Weight Drill Pipe (HLECWDP). Sets of spiral grooved structures with a certain depth, long lead and special cross-section shape are added on the external circle of HLECDT or HLECWDP pipe body. During the drilling process of the rotary drilling, it produces the effect of agitation and destruction to cuttings bed. By improving the flow field property of drilling fluid at the borehole bottom area of high angel deviated wells, extended reach wells and horizontal wells, it “throws” the cuttings to high side annulus, and is finally taken away by the drilling fluid, and thereby reduces or clears up the cuttings bed formed by talus deposit.
Hilong Horizontal Directional Drilling (HDD) Drill PipeWith the increase of drilling difficulty, requirements on drill pipe are rising accordingly. In a long distance horizontal directional drilling project, the insufficient rigidity and buckling strength of regular drill pipes results in the emergence of “the rope swing” phenomenon, and the fracture fatigue failure is easy to arise on the pipe body. Thread failures like thread gluing is often caused by the difficulty of tool joint alignment and make-up in drilling projects. The HDD drill pipes designed and manufactured by Hilong both meet the requirement of large caliber and the requirement of rigidity and thrust. The special upsetting design improves the fatigue property of the drill pipe, and the design of special joint threads and guiding section can prevent thread gluing and therefore improve the fatigue property of the joint, meeting the need of the drilling project.
Hilong Arctic Service Drill PipeHilong arctic service drill pipe is a professional type of Hilong's independently researched and developed drill pipes against the requirement of oil and gas exploitation and operations in extremely cold zones, like the South or the North Pole.
Hilong Double Shoulder ConnectionHLIDS™ series is one kind of double shoulder tool joint of Hilong developed based on HLDS™,Comparing with API connection, HLIDS™ has the features as follows:
a. Double shoulder design;
b. Smooth transmission on internal diameter;
c. Full interchangeable with API connections and other leading double-shoulder connections on the market.
Hilong High-strength Drill PipeHilong high-strength drill pipes with high strength, high toughness and fine ability of improved fatigue resistance in HLDT-SHTMZ140, HLDT-SHTMV150 and HLDT-SHTMU165 steel grades, is a proprietary products applicable to harsh drilling environments like deep well, ultra deep well and extended reach wells etc. The application of special materials and the strict control of heat treatment process have brought strength enhancement and fine impact toughness.
Hilong Non-Slip-Crush (NSC) drill pipeHilong Non-Slip-Crush (NSC) drill pipe is a special type of product specially designed and developed for solving the problems such as the damage to the drill pipe body slip, the low efficiency of double-elevator operation and the high labor intensity in tripping operation. The feature is that on the basis of API ordinary drill pipes, one more shoulder is added at a position in a certain distance from the box connector end face. During the trip operation, the drill string is set at the toothless pneumatic slip, and the bearing slider of the pneumatic slip axially bears the weight. Besides, the NSC drill pipe can afford a convenient way for make-up and break-out by raising its position on the box connector.
HLGS gas sealing fittingHLGS gas sealing fitting is designed and developed on the basis of HLDS fitting. With high torsion-resistance and high gas sealing performance, it can be used for drill stem testing, high pressure well repair, completion practices and underbalanced drillings, etc.
HLNSTThe HLNST® Series is a new-generation double-shoulder tool joint developed from the HLST® and HLIST® Series:Delivers exceptional fatigue resistance while achieving ultra-high torsional strength.Faster Makeup and breakout.Features an optimized thread form that reduces thread damage, lowering repair rates and maintenance costs.
High-Strength Casing Running Drill PipeHilong's High-Strength Casing Running Drill Pipe is specifically designed to tackle the challenges of deploying heavy casing/liners in ultra-deep land wells and offshore deepwater wells. Key features include: A robust pipe body design with increased wall thickness and high-grade steel, enhancing tensile load capacity and lifting capability.A thick-walled section design to prevent slip crushing, thereby improving anti-crush performance. An increased drill pipe tool joint OD/double-OD structure, increasing elevator lifting capacity.
Titanium Alloy Drill PipeThe titanium alloy drill pipe features high specific strength, low elastic modulus, excellent corrosion resistance, and an extended long fatigue life. This high-performance drill pipe is ideal for complex well conditions, including short-radius horizontal wells, deep and ultra-deep wells, and wells with high corrosives.

Industry-University-Research Cooperation

The Institute has established research cooperation and communication relationship with some research organizations, such as Fudan University, Tongji University, East China University of Science and Technology, Southwest Petroleum University, Shanghai University, Shanghai University of Science and Technology,Shanghai University of Engineering Science. Shanghai Material Research Institute, CNPC Tubular Goods Research Institute and Xi’an Moore Petroleum Engineering Research Institute. The Institute has founded a post-doctoral workstations, Hilong Scientific Research Base, by working with Southwest Petroleum University and Shanghai University; and has founded an Industry-University-Research Cooperation Achievements Application and Talents Cultivation base by associating with Shanghai University, under the leadership of Shanghai Science and technology commission.