Our Location

Midland TX Office:
600 N. Baird
Suite 113
Midland, TX. 79701
Phone: 432-620-1525
Fax: 432-620-1526

Denver CO Office:
910 16th St.
Suite 227
Denver, CO. 80202


  • Drilling Fluids for Energy

    Rotary ONE Services Drilling Fluids is a Certified MHA TERO Contractor working several projects on Native American Tribal Lands in NORTH DAKOTA and MONTANA.
    With service in TEXAS, NEW MEXICO and OKLAHOMA PANHANDLE AREA, we strive on bringing quality products and Professional Engineering Services to you.

  • Oil Based Mud

    Oil Based Mud (OBM) is used for many reasons such as increased lubricity, greater cleaning abilities with less viscosity.
    Also OBM can withstand greater heat without breaking down.

    Read More
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Rotary ONE Services LLC/ Maheshu Energy Drilling Fluids is a Certified MHA TERO Contractor working with the MHA Nation to develop the rich natural resources buried under tribal lands.  Our mission is to provide quality services to our clients and economic development for the proud people of the MHA Nation.  We are honored to serve in this capacity. We have several projects on Native American Tribal Lands in NORTH DAKOTA and MONTANA. we also serve TEXAS, NEW MEXICO, PANHANDLE AREA, bringing quality Products and Professional Engineering Services to you.
Currently services are being provided to Peak North Dakota LLC, Petro-Hunt LLC and Enerplus Resources

MHA TERO Mission

The mission of the Dakota Coalition is to advocate for and assist member Tribes in developing effective programs and practices that ensure basic entitlements to employment and entrepreneurial opportunities for each, and to provide unity within the region. 

The MHA Tribal Energy Department is responsible for the development of the natural resources of the Three Affiliated Tribes. This includes oil, gas, associated hydrocarbons and other natural resources. The Department works closely with the BIA, BLM, MMS, OST, EPA and NDIC.
MHA TERO Oil & Gas Regulations PDF
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History of the Mandan, Hidatsa, and Arikara Nation

The Three Affiliated Tribes the Mandan, Hidatsa, and Sahnish believe their presence in North America is from the beginning of time. The Mandan call themselves "the People of the First Man. " The Hidatsa were known as Minnetaree, or GrosVentre, Hidatsa was formerly the Name of a village occupied by these tribes, which has been said to mean "willows. " The name Minnetaree, spelled in various ways means, "to cross the water, " Oral historians say the names " Arikara, Arickara, Ricarees, and Rees" were given to them by the Pawnee and other informants to describe the way they wore their hair. It is important to be mindful that the people call themselves Sahnish, which means "the original people from whom all other tribes sprang. " Although sharing cultures and histories for so long, the people keep a distinct sense of tribal relationships.

The Mandan, Hidatsa, and Sahnish live in the Missouri River area. Historians document the first tribe, to occupy this area was the Mandan with the Hidatsa, and the Sahnish moving up the river later. The Mandan and Hidatsa people were originally woodland people who moved to the plains at various times. One theory is the Mandan moved from the area of southern Minnesota and northern Iowa to the plains in South Dakota about 900 A.D., and slowly migrated north along the Missouri River to North Dakota about 1000 A.D.
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The Mandan's

At the height of their culture, the Mandan were prosperous and peaceful farmers and traders, noted for their excellent maize cultivation and Knife River flint. Lewis and Clark stayed with the Mandan when they passed through the region, including five months in the winter of 1804-1805. Sakagawea, a Shoshone who had been kidnapped by the Hidatsa at an early age, joined the expedition as an interpreter and native guide. Because of her contributions, her picture is on the U.S. dollar coin. On the return trip, the expedition brought a Mandan chief with them back to Washington DC.

The smallpox epidemic of 1837–1838 decimated the Mandan, leaving approximately 125 survivors. They were forced to band together with the Hidatsa to survive. Later, when the Arikara were forced northward by wars with the Lakota, they also settled with the Mandan. When European-American settlers began arriving in the late 1800s, the three tribes were placed on the Fort Berthold Reservation.

The level of technical skill which the Mandan demonstrated with their agriculture and earthen lodge villages set them in stark contrast with other, more nomadic tribes on the Great Plains.

Struggling to find similarities to what they knew, some explorers claimed to have observed "European" features in the people and their buildings. In the 19th century, a few people used such anecdotes to speculate that the Mandan were, in part, descended from pre-1492 lost European settlers, such a as a legend about the Welsh. Historians and anthropologists have found no evidence to support such a theory.

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The Hidatsa's

What is now known as the Hidatsa tribe is the amalgamation of these three groups: the Hidatsa proper, the Awatixa, and the Awaxawi (or Amahami) (Bowers 1965). These groups had discrete histories and spoke different dialects; they came together only after settling on the Missouri River. The Amahami have a creation tradition similar to that of the Mandan, which describes their emergence long ago from the Earth, at Devil's Lake. Later they moved westward to the Painted Woods (near Square Buttes) and settled near a village of Mandan and another of Awatixa.

The Awatixa originated not from the earth, but from the sky, led by Charred Body (Wood and Hanson 1986:34). According to their tradition, their first people lived near Painted Woods, "where they were created" (Bowers 1948:17-18). After that they always lived between the Heart and Knife Rivers along the Missouri.

The Hidatsa proper, largest of the three, were initially part of those who would become the River Crow. They separated from the Amahami in what is now western Minnesota. First they settled to the north, then later moved south to Devil's Lake. In their travels they met the Mandans and then moved westward and settled with these distant relatives north of the Knife River. Later they moved to the mouth of Knife River


The Arikara's

They were a semi-nomadic people who lived on the Great Plains of the United States of America for several hundred years. They lived primarily in earth lodges, made tipis as temporary shelter while traveling from their villages, and were an agricultural society. Their primary crop was corn (or maize). It was such an important aspect of their society that it was often referred to as "Mother Corn".

The Arikara moved from South Dakota into North Dakota in response to pressure from other tribes and European American settlers. They are now on the Fort Berthold reservation.
Their population was decimated by smallpox in the late 1830s. During the Black Hills War, Arikara served as scouts for Lt. Col. George Armstrong Custer in the Little Bighorn Campaign.

Due to their reduced numbers, the Arikara started to live closer to the Mandan and Hidatsa tribes, who lived in the same area. Today the three tribes are closely associated and known as the Three Affiliated Tribes. Together the three have a total enrolled population of 8400. Nearly 3800 live on the Fort Berthold Reservation.


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