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What is the rotary system on a rig?
Rotary drilling rigs are vital equipment in the oil and gas industry and play a vital role in extracting natural resources from beneath the earth’s surface. The rotation system on the drill rig is a key component of the drilling process, allowing the drill rig to drill through various rock ...Read more -
What is the function of rotary drive in drilling rig?
Drilling rigs are important equipment for extracting natural resources such as oil, natural gas and water. They come in various types and sizes, each designed for specific drilling depths and conditions. Drilling rigs are mainly divided into three types: ultra-deep well drilling rigs, deep well d...Read more -
Hydraulic Pile Breakers: Revolutionizing Construction Projects
In the construction sector, the need for efficient and effective methods of breaking piles is paramount. Traditional pile breaking methods, such as manual labor or the use of heavy machinery, can be time-consuming, labor-intensive, and present safety risks. However, with the advancement of techno...Read more -
RC DRILLING
>> Reverse Circulation is a drilling method widely used around the world. >> RC drilling uses dual wall drill rods consisting of an outer drill rod with an inner tube. These hollow inner tubes allow the drill cuttings to return back to the surface in a continuous, steady flow. >>...Read more -
Sand and silt layer rotary drilling method
1. The characteristics and risks of sand and silt layer When drilling holes in fine sand or silty soil, if the groundwater level is high, mud should be used to form holes for wall protection. This kind of stratum is easy to be washed under the action of water flow because there is no adhesion bet...Read more -
Overview of TRD
Introduction to TRD • TRD (Trench cutting Re-mixing Deep wall method), a continuous wall construction method under equal thickness cement soil, developed by Japan’s Kobe Steel in 1993, which uses a saw chain cutting box to continuously construct continuous walls under equal thickness cement...Read more -
Key points of pile foundation construction of karst cave
When constructing pile foundations in karst cave conditions, here are some key points to consider: Geotechnical Investigation: Conduct a thorough geotechnical investigation prior to construction to understand the characteristics of the karst cave, including its distribution, size, and possible wa...Read more -
Application of low headroom rotary drilling rig
A low headroom rotary drilling rig is a specialized type of drilling equipment that can operate in areas with limited overhead clearance. It is commonly used in various industries and applications, including: Urban Construction: In urban areas where space is limited, low headroom rotary drilling ...Read more -
Construction technology and key points of high-press churning pile
High-pressure jet grouting method is to drill a grouting pipe with a nozzle into a predetermined position in the soil layer by using a drill machine, and use high-pressure equipment to make the slurry or water or air become a high-pressure jet of 20 ~ 40MPa from the nozzle, punching, disturbing a...Read more -
Design and construction technology of secant pile wall
The secant pile wall is a form of pile enclosure of foundation pit. The reinforced concrete pile and plain concrete pile are cut and occluded, and Piles are arranged to form a wall of piles interlocking with each other. The shear force can be transferred between the pile and pile to a certain ext...Read more -
How to remove pile head
The Contractor shall use crack inducer or equivalent low noise method for removal of pile head to cut-off level. The Contractor shall preinstall crack inducer to effectively render crack on the pile at about 100 – 300 mm above the pile head cut off level. The pile starter bars above this le...Read more -
What if shrinkage occurs during drilling?
1. Quality problems and phenomena When using a borehole probe to check for holes, the hole probe is blocked when lowered to a certain part, and the bottom of the hole cannot be inspected smoothly. The diameter of a part of the drilling is less than the design requirements, or from a certain part,...Read more
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