What is the principle of water intake from a cross well? How to find water sources when drilling wel

The principle of water intake from the cross well is the use of a hand-cranked roller.

It was originally a lifting device for extracting well water, and it was a water drawing tool evolved from a lever. It is a derrick erected at the side of the well, and the shaft can be rotated by hand with a handle, and the shaft is wound with a rope, and one end of the rope is tied to a bucket. Shake the handle so that the bucket falls together and extracts the well water.

The crosswell is square, elongated, or irregularly circular in a planar profile. The walls of the well are smooth and almost parallel. Hengjing is widely used in water conservancy and hydropower projects.

The water intake, water diversion, ventilation and exhaust, slag slag and gas replenishment, The construction of the horizontal well has the characteristics of small area and less interference to the surrounding construction. However, the construction space of the cross well is small, the construction period is long, there are many underground and edge operations, and the passage is inconvenient, which leads to the safety risk of the construction of the cross well.

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Introduction to the water intake tools commonly used in ancient China:

1.Mandarin tree. Construction and its principle: it is attached to an upright shelf with an elongated lever in the center, a fulcrum in the middle, a weight suspended at the end, and a bucket in the front. As soon as it falls together, it can save effort to draw water.

2.Roller, Han folk water lifting facility, popular in the northern region.

Structure and its principle: a support frame with a horizontal hinge is placed on the well. One end of the shaft is equipped with a crank, and a rope is wrapped around the shaft. A bucket is tied to the lower end of the rope. Water can be lifted from the well by turning the crank with human or animal power. It is a kind of axle utilization.

Lifting tools.

3.The well cart is a tool developed from the wheel to carry water from a deep well for irrigation in ancient times. Log.

The rope is wound on it, the rope is tied horizontally, and the log rotates to drive the rope. The bucket rises and falls to fetch water, and the bucket only goes straight up and down, and cannot rotate around the log.

The above content refers to the encyclopedia - Yokoi.

Principle: 1. Under the action of atmospheric pressure, the circulating liquid flows to the bottom of the well along the annular gap of the wellhole through the sedimentation tank through the backwater ditch, and the turntable drives the drill pipe to drive the drill bit to rotate for drilling;

2. The negative pressure established by the mud pump sucks the debris mud into the inner cavity of the drill pipe, then rises to the faucet, and is discharged into the sedimentation tank through the mud pump, and the precipitated circulating liquid continues to flow into the wellbore, so that the reverse circulation drilling work is formed.

How it worksThe working mode of the drilling machine is the pumping and suction reverse circulation type. Its working principle is: under the action of atmospheric pressure, the circulating liquid flows to the bottom of the well along the annular gap of the wellhole through the sedimentation tank through the backwater ditch, at this time the turntable drives the drill pipe, drives the drill bit to rotate for drilling, and the negative pressure established by the mud pump sucks the debris mud into the inner cavity of the drill pipe, and then rises to the faucet, and is discharged into the sedimentation tank through the mud pump, and the circulating liquid after precipitation continues to flow into the wellbore, so that the reverse circulation drilling work is formed.

The above content reference: Encyclopedia - drilling machine.

There is a water reason for drilling a well horizontally: because there are voids in the rocks, there can be water between these voids.

Wells, engineering structures mainly used to extract groundwater. It can be vertical, oblique and a combination of different directions, but it is generally vertical, which can be used for domestic water intake, irrigation, and can also be used to hide or store some things.

Water wells are of great significance to the development of human civilization. Before the advent of wells. Humans live by water.

Only live in places where there is surface water or springs. The invention of the well expanded the range of human activities. China is one of the earliest countries in the world to develop and utilize groundwater.

The earliest wells that have been discovered in China are the wells of the ancient cultural site of Hemudu in Yuyao, Zhejiang, which are dated to about 5,700 years ago. It is a fairly elaborate square wooden well, with a depth of one meter and a side length of 2 meters. It can be inferred from this that the appearance of the primitive form of the well was much earlier.

For the exploitation of deep groundwater, tube wells with a small diameter (a few centimeters to tens of centimeters) and a considerable depth (tens of meters to several hundred meters) were developed. Drilling tube wells requires specialized drilling machinery and more complex processes. As early as 250 B.C., in present-day Sichuan Province, China, a large number of wells with a depth of tens or even hundreds of meters were dug in the hard rock to mine underground brine for boiling salt.

After drilling a well to reveal a confined aquifer containing brine, groundwater often flows out of the well on its own, and such wells are called artesian wells. This is where the place name of Ziliujing (present-day Zigong City) in Sichuan Province, China, is derived. Modern countries in the world mainly use tube wells to extract groundwater, use power drilling rigs to drill wells, and use various pumps as water lifting tools.

Before 1949, only a few cities in China had a small number of tube wells, and there were only a few wells that used power to lift water, but by 1980, the number of wells in the country had grown to 2.2 million, which were widely used for water supply in industrial and mining towns, agricultural irrigation and other purposes.

The above information reference: Encyclopedia - Water Well.

How to find a water source to drill a horizontal well is a drilling process method that makes the well bore drill along the pre-designed horizontal direction and trajectory to reach the target layer, which is called transverse drilling, which is also known as horizontal drilling. Transverse drilling to find water sources first oblique drilling, then horizontal drilling, and finally docking drilling transverse drilling to find water sources can be applied oblique drilling, horizontal drilling and docking Hengtong drilling. Docking drilling technology mainly refers to the use of oblique drilling technology and lateral docking drilling technology, so that the two wells that are hundreds of meters apart from each other on the ground can be directly connected by drilling methods in the target ore layer hundreds of meters underground.

For the directional docking project of continuous multi-well, it is mainly restricted by various factors such as drilling rig capacity, direction control accuracy and oblique drilling control level. Collapse boy.

Summary. The method of digging horizontal wells to find water: digging wells to find water is based on the principle of "back and oblique"; The fault is difficult to get water, the fault plane is fragile and there are cracks, the water will seep down, naturally, no matter how the well is drilled, it will not upwell; The "anticline" is "convex", and the rock in the middle is hard and above average thickness, and it is futile to dig a well in such a location.

The vegetation of the anticline mountain is sparse, while the bryophytes are generally rich. The "oblique" is of the "concave" type, obviously, the water seeps into the bottom of the rock, and the well is drilled from above, the effect is better, not only the workload is less, but the water source is continuous.

The method of digging horizontal wells to find water: digging wells to find water is based on the principle of "back and oblique"; The fault is difficult to get water, the fault plane is fragile and there are cracks, the water will seep down, naturally, no matter how the well is drilled, it will not upwell; The "Tuanhaokai anticline" is of a "convex" type, and the rock in the middle is hard and above the average thickness, so digging a well in such a place is also futile. The vegetation of the anticline mountain is sparse, while the bryophytes are generally rich.

The "oblique" is in the form of "concave", obviously, the water seeps into the bottom of the rock, and the effect of digging a well from above this reed bend is better, not only the workload is less, but also the water source does not collapse.

Make full use of the natural environment of the special La demolition, and some plant growth characteristics to find water sources, like some wild plants with strong roots and deep roots, elsewhere are long and sparse, but there is a piece of extremely vigorous growth, the soil at the root of the plant is moist and has water vapor, this place is a good place to get out of the water, the surface of the groundwater bend is sufficient, these are the crystallization of the wisdom of the past when burying cherry trees, and it is easy to obtain water sources through the plant environment.

You refer to the above way to find a water source, oh dear.

Hello, the reason is the following two principles: 1. Under the action of atmospheric pressure, the circulating liquid flows to the bottom of the well along the annular gap of the wellhole through the sedimentation tank through the backwater ditch. 2. The negative pressure established by the mud pump sucks the debris mud into the inner cavity of the drill pipe, and then rises to the faucet, and is discharged into the sedimentation tank through the mud pump, and the precipitated circulating liquid continues to flow into the wellbore.

Abstract: Drilling wells needs to go through the corresponding approval procedures, and it is illegal to drill without permission. However, those who take a small amount of water, such as family life and sporadic free-range or captive livestock and poultry drinking, can be exempted from prosecution (the law is given a leniency).

Article 36 of the Water Law of the People's Republic of China In areas where groundwater is overexploited, local people at or above the county level shall take measures to strictly control the exploitation of groundwater. In areas where groundwater is seriously overexploited, with the approval of the people of provinces, autonomous regions and municipalities directly under the Central Government, groundwater exploitation prohibition or restriction may be demarcated. The exploitation of groundwater in coastal areas should be scientifically demonstrated, and measures should be taken to prevent land subsidence and seawater intrusion.

Article 48 Units and individuals that directly draw water resources from rivers, lakes or underground shall, in accordance with the provisions of the State water intake permit system and the system of paid use of water resources, apply to the competent water administration department or river basin management agency for obtaining a water withdrawal permit, pay water resources fees, and obtain the right to take water. However, the exception is for small amounts of water such as family life and sporadic free-range breeding and captive livestock and poultry drinking.

What is the act of taking water from a cross well?

Hello, I am a cooperative lawyer of LegalPro platform, and I am happy to serve you.

Hello, is it feasible for the masses to take water from the crosswell?

Drilling wells needs to go through the corresponding approval procedures, and it is illegal to drill without permission. However, those who take a small amount of water, such as family life and sporadic free-range or captive livestock and poultry drinking, can be exempted from prosecution (the law is given a leniency). Article 36 of the Water Law of the People's Republic of China In areas where groundwater is overexploited, local people at or above the county level shall take measures to strictly control the exploitation of groundwater.

In areas where groundwater is seriously overexploited, with the approval of the people of provinces, autonomous regions and municipalities directly under the Central Government, groundwater exploitation prohibition or restriction may be demarcated. The exploitation of groundwater in coastal areas should be scientifically demonstrated, and measures should be taken to prevent land subsidence and seawater intrusion. Article 48 Units and individuals that directly draw water resources from rivers, lakes or underground shall, in accordance with the provisions of the State water intake permit system and the system of paid use of water resources, apply to the competent water administration department or river basin management agency for obtaining a water withdrawal permit, pay water resources fees, and obtain the right to take water.

However, the exception is for small amounts of water such as family life and sporadic free-range breeding and captive livestock and poultry drinking.

ok thanks.

1. Under the action of atmospheric pressure, the circulating liquid flows from the sedimentation tank to the bottom of the well along the annular gap of the wellhole through the backwater ditch, and the turntable drives the drill pipe to rotate the drill bit for drilling; 2. The negative pressure established by the mud pump sucks the debris mud into the inner cavity of the drill code leather trillion rod, and then rises to the faucet, and is discharged into the sedimentation tank through the mud pump, and the precipitated circulating liquid continues to flow into the wellbore for late rent, so that the reverse circulation drilling work is formed. Hope it helps. If my answer is helpful to you, please give a thumbs up (in the lower left corner), I look forward to your like, your efforts are very important to me, and your support is also the motivation for my progress.

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