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Conventional Drilling Straight Well Drill String Combinations

Conventional Drilling Straight Well Drill String Combinations: BIT: Drill Bit DC: Drill Collar SDC: Helical Drill Collar LZ: Motor Drill String SJ: Bi-directional Shock Absorber DP: Drill Pipe HWOP: Heavyweight Drill Pipe STB or LF: Stabilizer (Drill String) LB: Fishing Basket While Drilling DJ: Jar Tower-type Drill String Combinations: Φ444.5mm BIT × 0.50m + Φ229mm

2026-01-28T06:26:59+00:00September 26th, 2024|Industrial Articles|
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Oil drilling engineering terminology explanation

1. Well: A cylindrical hole drilled into the formation to a certain depth for the purpose of exploring and developing oil and natural gas. 2. Wellhead: The opening end of the well. 3. Well bottom: The lowermost end of the well. 4. Open hole: The section of the well that has not been cased. 5.

2026-01-28T06:26:59+00:00September 26th, 2024|Company News|
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Common Drill Collar and Tubular Displacement Volumes

Common Drill Collar and Tubular Displacement Volumes Displacement volumes per joint of commonly used drill collars and tubulars: 9" drill collar volume per joint = 0.98 m³ 8" drill collar volume per joint = 0.77 m³ 7" drill collar volume per joint = 0.56 m³ 6-1/4" drill collar volume per joint = 0.43 m³ 6-3/4"

2026-01-28T06:26:59+00:00September 26th, 2024|Industrial Articles|
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Casing and Tubing Steel Grade Color Codes

Casing and Tubing Steel Grade Color Codes Color codes for steel grades are used to identify different types of casing and tubing based on their strength and threading. Below is the translation of the color coding system for oilfield tubular goods: Steel Grade Color Coding Steel Grade Tubing and Coupling Connection H40 Manufacturer's choice of

2026-01-28T06:26:59+00:00September 25th, 2024|Industrial Articles|
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Casing Steel Grades

Casing Steel Grades There are twenty different steel grades for oil and casing pipes, namely H40, J55, K55, M65, N80, L80, C90, T95, C95, P110, Q125. Different color codes and symbols are used to distinguish various steel grades and thread types of the oil and casing pipes. The two or three digits following the color

2026-01-28T06:26:59+00:00September 25th, 2024|Industrial Articles|
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Matching of Casing Sizes with Bit Sizes

Matching of Casing Sizes with Bit Sizes API Bit Standard Sizes in (mm) in (mm) in (mm) in (mm) in (mm) 3 3/4 (95.2) 5 5/8 (142.9) 7 7/8 (200.0) 9 1/2 (241.3) 17 1/2 (444.5) 4 1/8 (104.8) 5 7/8 (149.2) 8 3/8 (212.7) 9 7/8 (250.8) 20 (508.0) 4 3/4 (120.6) 6 (152.4)

2026-01-28T06:26:59+00:00September 25th, 2024|Industrial Articles|
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Explanation of Casing Connections in Petroleum Industry

Explanation of Casing Connections in Petroleum Industry Connections are one of the most common parts in tools and also one of the hardest to distinguish. Understanding connections is crucial for tool technicians or supervisors. Without knowledge of connections, procuring materials, preparing for operations, and directing work would be impossible and could lead to significant issues.

2026-01-28T06:27:00+00:00September 25th, 2024|Industrial Articles|
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Development Status of the Oil Pipeline Market in 2024

### Development Status of the Oil Pipeline Market in 2024 #### Overview Oil pipelines are a critical component of the petroleum industry, serving as the primary means of transporting crude oil and natural gas from production sites to consumption centers. The development of the oil pipeline market is essential for the stable operation of the

2026-01-28T06:27:23+00:00September 24th, 2024|Industrial Articles|
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The History of Oil Pipelines

The History of Oil Pipelines Since the late 19th century, after the British inventor Walker created concrete pipes, the pipeline industry began to develop, with oil pipelines standing out among them. Oil pipelines are a means of transporting petroleum products via pipelines, and their construction and development are closely related to advancements in the petroleum

2026-01-28T06:27:23+00:00September 24th, 2024|Industrial Articles|
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Materials for Oil Pipelines

Materials for Oil Pipelines Oil pipelines are a crucial method for transporting oil, and the selection of pipeline materials directly affects the safety and efficiency of oil transportation. When choosing materials for oil pipelines, multiple factors must be considered, such as the operating environment of the pipeline, the properties of the transported medium, design pressure,

2026-01-28T06:27:23+00:00September 24th, 2024|Industrial Articles|
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ShunFu Metal Co., Ltd. is one of the largest high quality oilfields product manufacturers in China, and its products cover various oilfields such as gas pipe, oil casing, tubing, anti-corrosion line pipe, corrosion resistance alloy pipe, etc. …
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