Changsha Xiangjia Metal Materical Co., Ltd.

In the oil and gas industry, the importance of oil casing cannot be overstated. As a large-diameter pipe inserted into the wellbore,   oil casing pipes   serve a critical function in maintaining the structural integrity of oil and gas wells. Their primary purpose is to stabilize the wellbore, preventing the surrounding rock layers from collapsing and ensuring the effective circulation of drilling mud throughout the drilling and extraction process. This blog post explores the vital position of oil casing and its far-reaching implications for the industry. Understanding Oil Casing  Oil casing is typically fixed in place using cement, which secures it within the wellbore and creates a barrier against potential hazards. The various steel grades of oil casing, which include H40, J55, K55, N80, L80, C90, T95, P110, Q125, and V150, provide companies with the ability to select specific casing options tailored to the unique geological conditions of each drilling site. Additionally...

In the realm of petroleum engineering, understanding the function of   oil casing pipes   is crucial for successful drilling operations. Oil casing pipes serve as essential steel conduits that support the wellbore during the drilling process and ensure the normal functioning of the well post-completion. Depending on the drilling depth and geological conditions, several layers of casing pipes are utilized in each well. Here, we delve into the specific functions of each type of casing pipe employed in oil drilling. 1. Surface Casing The surface casing is installed at the top of the well and is anchored with a casing head, which supports subsequent casing layers. One of its primary roles is to isolate the shallow aquifer and complex near-surface formations. This is vital for preventing the freshwater layer from being contaminated by drilling fluids. By providing a secure barrier, surface casing enhances both safety and environmental protection in the drilling process. 2. Intermed...

The petroleum industry relies heavily on various materials, and one of the most crucial components in this sector is the oil casing pipe. As an integral part of drilling operations, the   oil casing pipe   plays a significant role in ensuring the safety, efficiency, and cost-effectiveness of oil extraction processes. High Usage and Cost Efficiency of Oil Casing Pipe The sheer volume of oil casing pipe used in drilling activities reflects its importance in the petroleum industry. According to estimates based on drilling metrics, approximately 62 kg of oil casing pipe is required for every meter drilled. This breakdown includes 48 kg of casing pipe, 10 kg of tubing, 3 kg of drill rods, and 0.5 kg of drill collars. The implications of this usage are profound: given the large-scale consumption, there exists substantial potential for cost reduction and expenditure savings by optimizing the use of oil casing pipe. Therefore, exploring strategies to minimize wastage and enhance procu...

Oil Casing Pipe   is designed to serve as the structural retainer for the walls of wells, to ensuring the smooth operation and longevity of drilling projects. It can be divided into conductor casings, technical casings and oil casings. Charactor of our casing pipe: Wide diameter for maximum effectiveness: With a wide diameter, our oil casing pipe is perfect for fixing the well walls or down hole, regardless of the size of your project. Superior strength and resilience: Crafted with a minimum yield strength of 35,000 psi, our steel casing pipes offer unmatched durability and protection, preventing the collapse of subsurface formations and the well bore. Extensive range of options: Choose from various grades including J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C95, and P110. Plus, we offer tread types like NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC, VAM TOP, and NEW VAM, ensuring the perfect fit for your specific requirements. Our oil casing pipe adheres to the highes...

Oil casing pipe   is a large-diameter pipe that is used to stabilize the oil and gas wellbore or hole. Casing pipe is inserted into the wellbore and cemented in place to help isolate the formations and prevent collapse, while also allowing for the circulation of drilling mud to facilitate drilling and production. The grades of steel used for oil casing pipe is H40, J55, K55, N80, L80, C90, T95, P110, Q125, and V150. The end processing forms of casing pipe include short round thread, long round thread, trapezoidal thread, and special buckle, among others.  ​ Oil casing pipe is primarily used in drilling operations and provides support to the wellbore during drilling and ensures the normal operation of the entire oil well after completion, which play a crucial role in the industry: 1. Oil casing pipe are used in large quantities and incur significant expenses. There is great potential for cost savings and cost reduction. The consumption of well pipes can be estimated based on th...

Oil casing pipe   is used to support the walls of oil and gas wells to ensure the operation of the entire oil well after the drilling process. So what technical specifications does it have? 1. The domestic bushing pipe shall be in accordance with the regulations of SY/T6194-96, and the length of the bushing pipe is not fixed, and its can be 8-13m. And casing pipe that not shorter than 6m can be provided, and its quantity shall not exceed 20%. 2. The inner and outer surfaces of the casing pipe shall be free from folds, hairlines, delaminations, cracks, folds and scabs. These defects shall be completely removed, and the removal depth shall not exceed 12.5% of the nominal wall thickness. 3. The outer surface of the coupling must not have defects such as folds, hairlines, separation layers, cracks, rolling folds, and scarring. 4. The thread of the casing pipe and coupling should be smooth, without burrs, tears and other defects that can interrupt the thread and affect the strength and ...

Oil casing pipe   is used to support the walls of oil and gas wells to ensure the operation of the entire oil well after the drilling process and completion. Each well uses several layers of casing pipe according to different drilling depths and geological conditions. Unlike oil pipes and drill pipes, oil casing pipe cannot be reused and is a one-time material. Oil casing pipe is very important to keep oil well running. Due to the different geological conditions, the downhole stress state is complex, and the combined effects of tension, compression, bending and torsional stress act on the pipe body, which puts forward higher requirements on the quality of the casing pipe. Once the casing damaged, it may lead to reduction in production of the entire well, or even scrap. According to the strength of the steel, the casing can be divided into J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc. Different well conditions and depth require different steel grades. In a corrosive environm...

The hydrostatic pressure test is an indispensable part of the steel pipe manufacturing process. Its aim to detect the anti-leakage function of the steel pipe under the standard test pressure and the stable time. Same as radiographic, ultrasonic and other flaw detection techniques, it is a way to check the overall quality of  casing pipe . So what are the requires for the hydrostatic pressure test of oil casing pipe? Here is a brief introduction:   1. The hydrostatic test pressure value of the pipe with coupling and thread is the lowest value of the hydrostatic test pressure of the flat-end pipe, the maximum hydrostatic test pressure of the coupling, and the minimum value of the internal pressure leakage resistance, but the maximum pressure of the criterion is 69MPa, and the calculated pressure, the value is around 0.5 MPa.   2. According to API requirements, the hydrostatic test pressure measuring device should be calibrated within 4 months before each use.   3. If c...

Oil casing pipe   is used to support the wall of oil and gas wells to ensure the operation of the entire oil well during the drilling and after. The oil casing pipe needs to do hydraulic test before it leaves the factory, which is an important means of inspecting the quality of the oil pipe. It needs to fill the pipe with water and check its ability to maintain the specified pressure without leakage or rupture under pressure.   The hydraulic testing machine is used to detect the pressure bearing of casing pipe, the test pressure is 70mpa, 9 5/8", 7", 5 1/2", 5", 4 1/2", 3 1/2 ", 2 7/8, etc. to meet different specifications of casing pipe. It adopts the pressurizing cylinder method to pressurize, the pressurization method is fast and reliable, and it is equipped with an automatic control system that can display the pressure curve in real time, output the test report and save the test data. Changsha Xiangjia Metal Materical Co., Ltd.  the Steel Pipe Division...

Different types of   casing pipe   that used in the process of oil extraction: The surface oil casing pipe protects the drilling to avoid contamination by shallow water and gas layers and support the wellhead equipment.Usually the outer diameter is 114.3 mm to 508 mm Technical oil casing pipe separates the pressure at different levels so that the drilling fluid can circulate normally and protect the production casing pipe. Also to install anti-burst devices, leak-proof devices and tail pipes in the well. Oil casing pipe leads the oil from the reservoir layer below the surface. It is used to protect wells and stratify drilling mud.