What is a basic overview of oil fracturing?

Oil fracturing, also known as hydraulic fracturing, is a technique used during oil or gas production to create fractures in the reservoir rock by applying hydraulic pressure. Below is a basic overview of oil fracturing.

Oil fracturing involves artificially creating fractures in the formation to improve subsurface oil flow conditions and enhance well productivity. It plays a crucial role in optimizing flow conditions at the wellbore, mitigating interlayer flow, and improving reservoir performance. In the context of plastics, “fracturing” refers to a defect in laminated plastic materials: excessive molding pressure can cause damage to plastic laminates that use paper, fabric, or other substrates as base materials, resulting in visible cracks on the resin surface. The underlying principle is that, after a certain stage of production, both well capacity and permeability decline; to boost oil recovery and increase well output, this technology was developed. Currently, the methods are broadly categorized into hydraulic fracturing and high-energy gas fracturing. A common form of oil fracturing involves using a fleet of high-pressure surface pumps to inject fluid into the well at high velocity, leveraging the high pressure at the well bottom to induce fracturing of the formation rock and create fractures. This technique can also help prevent pressure loss and fracture closure once the pumping unit stops operating.

In addition, during hydraulic fracturing, sand—whose density is several times greater than that of the formation—is mixed into the injection fluid after fractures are created, carried into the fractures with the fluid, and remains there permanently to prop the fractures open, thereby improving oil flow conditions over the long term. Currently, several hydraulic-fracturing techniques are highly mature and deliver significant production increases, making them widely adopted practices. This is especially true for reservoirs with narrow flow pathways—namely, low-permeability reservoirs—where enhanced production is particularly critical. Therefore, it is essential to recognize that every hydraulic-fracturing design requires an appropriate fracturing technique to ensure successful implementation and optimal performance. Today, this product is primarily used in contaminated or blocked oil wells and reservoirs, as well as in wells where water injection is either impractical or ineffective. Only by selecting the right technique tailored to the specific characteristics of each reservoir can we guarantee the smooth application of the hydraulic-fracturing design and achieve favorable production-enhancement results. If you have any questions, please feel free to call us at any time for consultation; contact information is available on our official website, where you can also reach out to our online customer-service representatives, who will be happy to assist you with any inquiries regarding pricing and quotation procedures.

Having reviewed the above introduction, we now have a clearer understanding of the basics of oil fracturing. The next time you encounter it, it will no longer seem unfamiliar, and you’ll be less likely to run into problems during operation. That’s all for today’s discussion—stay tuned for more fascinating insights in the future.