Before Drilling Begins

04, Aug. 2025

 

Before Drilling Begins

Before you can begin drilling for hydrocarbons, there are a couple of issues that need to be resolved. For example, where will the drill rig be placed? On whose land? Do you have permission? Do you own the mineral rights to remove the hydrocarbons once they are discovered? Have you obtained the proper permits from a myriad of governmental agencies? How do you know that oil and gas are present beneath the drill rig? There are a number of considerations before the drill rig begins operations. These activities generally fall into the broad categories of mapping, leasing, and permitting.

MAPPING

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Mapping deals with land surface (and subsurface) determinations and measurements. It is the methodology by which we describe where things are located. In a world where individual property ownership is practiced, such a description has legal application. A legal description for a parcel of land is analogous to what a street number and street name, city, state, and ZIP code is to a mail carrier. The legal description gives surveyors and property owners a mechanism by which to precisely locate tracts of real estate. It also allows property to be transferred, leased, and mortgaged.

The concept is simple, but most people do not understand what the system is or how it works. But it is utilized to establish well locations, determine land ownership, assign mineral rights, and accurately plot property lines and boundaries. Drill rigs are very large pieces of equipment and when combined with the support equipment, supplies, work force, and access roads, the total area needed for a drilling operation can easily exceed 40 acres in size. Thus leasing surface rights from private land owners is required just to establish a drill site.

An accurate surface map also facilitates determining land ownership above the hydrocarbons and who owns the minerals beneath the surface; they may be different. Drilling and production companies must know this before they can proceed with their plans. Both surface land and subsurface minerals may belong to a government entity such as the State of Louisiana, in which case the property is referred to as State Lands. If the hydrocarbons are beneath a navigable waterway in Louisiana, the property is referred to as State Water Bottoms. In other instances, the mineral rights may be owned by the State of Louisiana but an individual may own the real estate; there are a number of possible combinations. In any case, permission to conduct operations must be obtained from both parties. This job is usually that of a Landman, a person whose job it is to seek out the owners of both estates and negotiate leases and contract with them on behalf of the production company for the right to drill and withdraw the hydrocarbons from the underground traps.

LEASES

Surface ownership issues generally revolves around a short term lease arrangement that allows the production company access to private property for the purpose of drilling the well. Payments are made to the property owner for user privileges, loss of crops by the property owner, use of water, rights of way for roads and pipelines, and for damages to the land and surrounding property. Production companies may also be required to install, at their cost, cattle guards, fences, and other specified items. This is spelled out in an agreement that is signed by both the property owner and the production company.

Mineral ownership refers to the owner of the minerals at depth, in this case hydrocarbons. Mineral ownership has become very complex over the years. In Louisiana for example, if you sell land, you may retain ownership of the minerals beneath it for a period of 10 years and one day at which time you must transfer such mineral rights to the current owner of that tract of land, but only if that owner has retained the land for the same period of time. But if hydrocarbons have been discovered beneath that land, then another set of laws apply. And each state may have different laws. Or you as the original land owner may have sold a portion of the mineral rights to someone, given some to heirs who may have split up their interest, and retained a portion for them self. It can get very complicated with a large group of people owning a tiny fraction of the original 100%. Transfers of mineral ownership are accomplished by a legal instrument called a mineral deed. State or country ownership of minerals creates its own set of complexities; if Indian Tribes are involved, then tribal law, treaties, and customs become parameters that must be dealt with. Some of the largest petroleum reserves in the Western Hemisphere are in the domain of the Alaskan Native peoples.

A mineral lease is a legal document; it conveys to the lessee from the mineral owner who is called the lessor, the right to drill for and produce hydrocarbons. Leases are written to cover a specific period of time called the primary term and is a time frame agreed upon by both parties, but is generally for a period of years such as 2, 3, or 5. Upon signing the lease, the land/mineral owner grants the production company certain subordinate rights. The owner of the mineral rights, by signing the lease, can receive: A bonus payment, agreed upon, for signing the lease; Delay rentals if drilling is delayed or the well is shut-in for any length of time; and Royalties which are expressed as a fraction of total production. Royalties are negotiable, but generally fall between 1/8 and 3/8s. An owner of mineral rights only has no legal right to enter private property or to drill on it.

QUESTION: Royalties can produce substantial amounts of money for the owner of the mineral rights. If a well produces barrels of oil per day (BOPD) and the lease calls for a royalty of 1/8 share, then the owner of the mineral rights is entitled to how many barrels (bbl) out of every bbl produced.
ANSWER: 125 bbl

QUESTION: Payment may be either in kind (meaning the owner would receive actual barrels of oil) or in cash. If in cash, the payment depends upon the price of oil: if it were $30/bbl, then a monthly royalty would be what amount of money? What per year?
ANSWER: $9,000 per month or $108,000 per year before taxes.

The landman's role to the process is critical. This person is the field agent that locates mineral owners, verifies their ownership (through a legal description), and negotiates the terms of the lease. Landmen may be women, they may be independent business people representing an unnamed third party, or they may work for the drilling company. Their success often rests with their personal image strategy and on their ability to relate to a variety of people. Often they drive a dusty pickup, wear faded jeans, and can carry on an intelligent and knowledgeable conversation with a farmer in need of some ready cash.

Landmen use their ability to get the best deal for themselves and the company they represent. There are no laws limiting the amount of royalties. One-eighth (1/8) was common for years, but now one-forth (1/4) and even three-eighths (3/8) is far more common. A mineral owner may reject to first offer in order to buy time to determine what other mineral owners in the region have received.

And finally, there is no such thing as a Standard oil and gas lease, although the term is used on a regular basis. A lease generally begins as a preprinted, fill-in-the-blank form purchased at a printer who also furnishes blank wills, deeds, and mortgages. There are many types of leases, each designed for a different purpose. It is always wise to have an attorney skilled in petroleum leases to review any legal documents before they are signed.

PERMITS

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Each state and country has a regulatory body that oversees petroleum operations requiring a number of permits for such things as drilling on public land, off shore (within the three-mile limit), and along the coastline. In Louisiana, the governmental agency responsible is the Department of Natural Resources. It regulates where wells can be located, and how they must be constructed, and it sells leases. The US government also has regulatory authority over hydrocarbon production, can sell leases, can control the operations of the drilling rig. Municipalities have another set of permitting ordinances if wells are drilled inside city limits. And there are environmental concerns that require the preparation of documents such as Environmental Impact Statements, Environmental Assessments, and in some cases, an Archeological Clearance may be required before drilling can begin.

REFERENCES

Choosing the Right Drilling Rig for Your Geotechnical Projects

Drilling Rig for Your Geotechnical Projects

Choosing the right drilling rig is one of the most critical decisions you’ll make when undertaking geotechnical projects. Whether you’re conducting soil investigations, foundation design, or environmental studies, the right rig ensures accurate data collection, efficient operations, and cost-effectiveness. With so many options available, understanding the features, capabilities, and advantages of different drilling rigs can help you make an informed decision. In this blog, we’ll provide key insights and tips to help you select the best drilling rig for your geotechnical needs.

Understanding the Role of Drilling Rigs in Geotechnical Projects

Geotechnical drilling rigs are essential for subsurface investigations, allowing professionals to assess soil and rock properties, groundwater levels, and other geotechnical conditions. This data is crucial for construction, mining, and environmental projects, where understanding subsurface conditions informs project design and risk mitigation.

Depending on the depth, terrain, and type of investigation, different drilling rigs offer unique capabilities. Selecting the right rig can greatly impact the efficiency, safety, and accuracy of your geotechnical investigation.

Factors to Consider When Choosing a Drilling Rig

  1. Project Requirements
    The first step in choosing the right rig is understanding your project’s specific requirements. Consider the following:
    • Depth: How deep do you need to drill? Shallow site investigations may require lighter rigs, while deeper projects may need heavier-duty rigs.
    • Soil and Rock Types: The rig’s capability to handle different soil and rock formations is crucial. If you’re dealing with soft soil, a lighter rig might suffice. For harder rock, a more robust rig designed for heavy drilling is necessary.
    • Sample Size and Type: Some projects require soil samples for laboratory analysis, while others focus on in-situ testing. Choose a rig that supports the specific tools and testing methods your project requires.
  2. Drilling Method Compatibility
    Geotechnical drilling involves different methods, each suited for specific conditions and project goals. Choose a rig that is compatible with your preferred drilling method:
    • Auger Drilling: Best for shallow depths and soft to medium soil conditions. Auger rigs are relatively lightweight and easy to use.
    • Rotary Drilling: Ideal for deeper drilling and harder rock formations. Rotary drilling rigs are versatile and can handle various soil types, making them suitable for more complex projects.
    • Percussion Drilling: Used in hard rock formations, this method relies on hammering or chiseling through tough rock. Percussion rigs are necessary for projects requiring deep penetration into rock.
    • Sonic Drilling: A newer technology that uses high-frequency vibrations to drill. Sonic rigs are efficient for certain soil types and can provide faster, cleaner samples.
  3. Rig Mobility and Access
    The location of your project site is another critical factor. Geotechnical drilling rigs vary in size, mobility, and portability. In some cases, the terrain may be challenging, and you’ll need a rig that can be easily transported or maneuvered into difficult-to-reach locations.
    • Truck-Mounted Rigs: These are ideal for projects with easy road access. They are larger and can handle heavier-duty drilling.
    • Track-Mounted Rigs: These rigs offer enhanced mobility, making them ideal for rough or uneven terrain. They can be used in areas where traditional truck-mounted rigs may not reach.
    • Portable Rigs: When working in remote or confined areas, smaller portable rigs can be disassembled and carried manually or with minimal equipment.
  4. Power and Efficiency
    The power of the rig directly impacts its drilling speed and efficiency. Hydraulic-powered rigs offer better control and efficiency, especially for deeper or more complex drilling tasks. Consider the power output required for your specific project needs. Higher-powered rigs can handle tougher jobs more quickly, reducing operational time and costs.
  5. Automation and Technology
    Modern geotechnical drilling rigs come equipped with advanced features such as automated rod handling, GPS, data logging, and monitoring systems. These features improve safety, reduce labor requirements, and enhance the accuracy of the data collected. Automation is especially useful in large-scale projects where precision and efficiency are paramount.

Different Types of Drilling Rigs for Geotechnical Projects

  1. Auger Drilling Rigs
    Auger rigs are commonly used for shallow drilling projects. They are highly effective in soft soils and can quickly retrieve samples for analysis. Auger rigs are lightweight, easy to operate, and cost-effective for small to medium-scale geotechnical projects, such as foundation investigations or environmental testing.
  2. Rotary Drilling Rigs
    Rotary rigs are versatile and can be used for drilling through both soil and rock. They are particularly useful in deep drilling applications where more robust equipment is required. Rotary drilling rigs are ideal for construction site investigations, groundwater studies, and mineral exploration.
  3. Percussion Drilling Rigs
    Percussion drilling rigs are designed to break through tough rock formations. They work by using a hammering action to chip away rock and are often used in hard rock environments. This method is slower but essential when drilling through challenging geological conditions.
  4. Sonic Drilling Rigs
    Sonic drilling rigs use high-frequency vibrations to penetrate the ground. This method is highly efficient, particularly in softer soils, and provides clean, continuous core samples. Sonic rigs are often used for environmental sampling, mineral exploration, and projects where precise core samples are needed.
  5. Reverse Circulation (RC) Drilling Rigs
    RC drilling rigs are popular in mining and exploration projects. They use dual-tube technology, allowing compressed air to push cuttings up the inner tube, ensuring uncontaminated sample retrieval. RC rigs are suitable for both shallow and deep drilling applications where accurate, uncontaminated samples are critical.

Why Rig Durability and Maintenance Matter

A key factor in choosing the right drilling rig is its durability and ease of maintenance. A rig that requires frequent repairs or downtime can significantly impact project timelines and increase costs. Look for geotechnical drilling rigs built from high-quality materials with a proven track record of reliability. Additionally, ensure that spare parts and maintenance services are readily available to minimize downtime during your operations.

The Benefits of Choosing the Right Drilling Rig

  1. Increased Accuracy
    The right rig for your project will allow for more precise drilling and better-quality sample retrieval, leading to more accurate subsurface data. Whether it's soil, rock, or water testing, the precision of the equipment directly affects the reliability of the results.
  2. Operational Efficiency
    Choosing a rig that aligns with your project requirements means less downtime and faster project completion. More efficient rigs reduce labor costs, fuel consumption, and operational time, which is critical for staying within project budgets.
  3. Adaptability to Various Conditions
    The versatility of modern drilling rigs ensures that you can adapt to changing site conditions. Whether you're working in soft soil, hard rock, or mixed formations, the right rig will allow you to seamlessly switch between different drilling methods as needed.

Why Choose ATR Drill for Your Geotechnical Drilling Rigs

At ATR Drill, we offer a wide range of geotechnical drilling rigs designed to meet the specific needs of your project. Our rigs are built for durability, precision, and efficiency, ensuring you can tackle complex geotechnical investigations with ease. Whether you need a rig for shallow soil sampling or deep rock drilling, we have the expertise and equipment to help you succeed.

For more information on our geotechnical drilling rigs, visit our Geotechnical and Soil Investigation Product Range or explore our Geotechnical Drilling Rigs.

Frequently Asked Questions (FAQs):

1. What factors should I consider when choosing a geotechnical drilling rig?

Consider factors such as project depth, soil and rock types, drilling method compatibility, rig mobility, and power when selecting a drilling rig.

2. What types of drilling rigs are best for geotechnical projects?

Popular types include auger, rotary, percussion, sonic, and RC drilling rigs, each suited for specific conditions and project goals.

3. How does rig power affect drilling efficiency?

Higher-powered rigs offer faster drilling speeds and can handle more complex drilling tasks, reducing operational time and increasing overall efficiency.

4. Why is rig mobility important in geotechnical projects?

Rig mobility ensures that your drilling equipment can easily access difficult or remote project sites, saving time and labor costs.

5. Where can I buy high-quality geotechnical drilling rigs?

You can purchase high-quality geotechnical drilling rigs from ATR Drill.


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