Advantages and Disadvantages of Directional Drilling

Directional Drilling

Directional Boring

Any boring that does not follow a straight path vertically down is referred to as directional boring or drilling. Even in a vertical well, the path must vary in order to avoid a geological structure or a previously trapped pipe before returning to the original path. Drilling has been around for over a century, and in the early days, directional drilling meant employing the same basic equipment as vertical wells, only the drilling was done at a non-vertical angle. In other words, technical advancements have resulted in astounding engineering marvels like as angles, turns, and underground lengths reached.

Uses of Directional Drilling

Directional boring, often known as horizontal directional drilling, is utilized to build utility pipes and ducts. A prototype borehole is bored from the surface with little disruption following a predefined bore path. Directional boring is primarily used for crossing points under river systems, roadways, as well as existing buildings in order to install pipes and transmission lines to carry various fluids and substances.

How Does it Save the Surface?

Directional boring, also known as horizontal directional drilling, is indeed a method of transporting commodities from one location to another without disturbing the underlying ground or impediments along the route. Directional drilling extends further regular trenching by linking utilities and services in regions where conventional trenching is impractical.

How it is Done?

Typically, the holes are drilled by simply directing the trenching equipment along the path that has to be dug. A complex way of directional boring employs a bend near the bit as well as a down – hole steered mud engines. In this case, the curve steers the bit away from the wellbore axis while the entire drill string is not spinning, which is accomplished by pushing boring liquid via the mud engines. As once angles have been attained, the whole drill string, including the bend, is spun to ensure that perhaps the drill doesn’t really dig in the opposite direction as the borehole pivot.

Directional drilling is becoming more widely used because directional boring operators employ drill bits, a device that really can flex more easily to handle non-vertical orientations. The utilization of hydro jets has had a significant positive influence on drilling methods, bringing efficiency and dependability. As technology advances, Directional Boring Contractors companies utilize algorithms and GPS to locate the precise position of a gas or oil field. Engineers can use software tools to develop models for predicting the greatest site for the well in addition to the best feasible entry point for drilling operations.

This, like every other system, has benefits and drawbacks. The following are the benefits and drawbacks of horizontal drilling.


There are certain advantages of the Horizontal Drilling. These advantages are as follows:

  • Horizontal drilling decreases soil compaction: By decreasing the amount of vertical wells employed, horizontal drilling renders the extraction process less disturbing to neighboring households as well as other parties.
  • It also helps to decrease fracturing in preexisting geological formations.
  • It helps to prevent environmental contamination.
  • It safeguards the environment.
  • It improves safety by lowering the chance of gas fissures while drilling a new well.
  • Different pipes might be installed in a same location region.
  • It confines cracks to existing rock structures.
  • It helps to decrease contaminated groundwater.
  • It safeguards the ecology and surrounding surroundings.
  • The directional drill extracts twice as much oil or gas as conventional drilling.
  • It lowers the cost of excavation and shoring.
  • This is a more secure process than open cut.
  • The weather conditions does not impact the process of drilling and it becomes possible for the workers to complete the work on time.

Horizontal drilling lowers soil disturbance: By minimizing the number of surface wells needed, horizontal drilling makes the extraction process less disruptive to Horizontal directional drilling firms build underground pipes, cables, and service conduit using trenchless technologies. They accurately drill anywhere along selected bore route as well as back ream this same requisite pipe using directional drilling machineries and affiliated connections.

Disadvantages of Horizontal Drilling

There are certain disadvantages of the Horizontal Drilling. These disadvantages are as follows:

  • This could make running wells increasingly intricate: Because the drilling process is sophisticated in the respect that it employs high-tech equipment, it could also involve complex functions.
  • Horizontal drilling, especially using all of this heavy machinery, harms the underlying ground, though the harm may be reduced.


  • There are some risks associated with horizontal directional drilling, including the possibility of damaging the environment.
  • With the expanded use of hard drives, new security and health dangers and unplanned resource strikes have been presented for resource owners, drillers, spectators and the community.
  • There are risks for those who own or manage underground resources, such as employers, people who work in work environments, utility providers, and local government officials.
  • All underground resource owners have resources that could be affected by an HDD, which could lead to business interference and dangers to the safety and well-being of those resources. In order to reduce the risk of exposure, Underground Boring Contractors resource owners should provide drawings that accurately reflect the current state of the resource to all requestors who are associated with the asset owners.

Mitigation of Risks

  • Before starting directional bore drilling, organizations should do a complete risk assessment, based on the data they gather. It is important to take these precautions.
  • It is important for clients and operators to physically confirm buried services, such as electricity, in order to identify problems quickly.
  • Without current flow, these services can be difficult to distinguish.
  • To avoid cutting and grafting, a few cables are laid with loops outside the normal trench boundary specifications.
  • This method can only be used when the ground above the utilities can be disturbed and there are no buildings, roadways or other obstructions in the way.
  • Directional boring can be used in the same situation where open cut excavation is planned, but it can also be used to go under roads, sidewalks, rivers, even houses if there is a need for it.
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