TherMel-Kem™ Well Treating System is a well treatment system that uses state of the art Solar Technology combined with Enduro-Tech® solid chemicals to treat oil and gas production problems.
The TherMel-Kem™ Well Treating System unit is delivered to the well site and hooked up to the well head. Enduro-Tech® solid chemicals are loaded into the unit and a continues batch treatment is now in place.
About Mr. Stewart
Mr. Stewart has joined Energy & Environmental Services as their TherMel-Kem™ well treating Engineering Manager. A graduate of Central State College with a business degree, Mr. Stewart has over 30 years of oil and gas industry experience in operational-management positions.
Sun-Tech Energy Corporation
Mr. Stewart was also a co-founder of Sun-Tech Energy Corporation in the early 1980’s. Sun-Tech was one of the first companies to use thermal energy in oil fields to improve production yields. Mr. Stewart aptly demonstrated the ability of solar panels to eliminate or reduce problems due to paraffin, high viscosity crude’s, or emulsion problems by using energy provided by the sun.
Mr. Stewart was instrumental in helping obtain the solar process patents for TherMel-Kem™ process. EES will be involved in bringing high capacity units to the market in the near future. These units have proven successful in increasing production involving heavy oil, and paraffin asphaltine problem wells through a combination of heat and EES solid chemical treatments.
Mr. Stewart will lead the EES TherMel-Kem™ division and provide engineering assistance for customer projects, while interfacing with project managers, and oil company well site engineering-production managers.
EES has developed the TherMel-Kem™ well treating system to aid in the recovery and production of crude oil, especially heavy crude or tar sand formations.
While there is no uniform definition of “HEAVY CRUDE OIL” it is generally understood to mean a crude that has an API gravity below 20. In fact, much of U.S. production would fall into this category.
We have proven, that not only does the various processes and equipment perform as was anticipated but they are very feasible economically. The benefits are far reaching. Oil will be produced year round, that could not be produced otherwise or at least not economically. We are in all cases trading limited and expensive electrical or hydrocarbon fuel for an unlimited, free source of energy – SOLAR.
Viable Application Alternatives
The technology that we have, and that of others in the field, will make Solar energy’s usage a very viable alternative in many more areas of oil production and processing. We at EES, offer these processes, devices, and our services to the oil producers of the United States and the world, wherever oil is produced and the SUN shines.
Our goal, at EES, is to substitute Solar energy for the more expensive traditional fossil fuels now used in the production field.
Through our research and development phase, with the aid of a grant from the U.S. Department of Energy, we have developed the TherMel-Kem™ well treating system to enhance the recovery of heavy crude:
- Demulsification Units to remove water from oil
- Paraffin control units
- Solar tank heaters for keeping heavy crude mobile so that it can be transported.
A large percentage of produced crude is emulsified. Many pipeline companies require that the BS&W (basic sediment and water) content not be above 0.2% of 1% before they will buy it. Emulsions are commonly treated with chemical and/or heat. If heater treaters are employed, they normally operate off gas, fuel oil, or lease crude. Thus, the operator has to bear this cost to get pipeline quality crude.
A typical 4’0″ x 20′-0″ heater treater uses approximately 6,000 cubic feet of gas each day in order to heat the oil to 120F. Multiply this against the prevailing cost of natural gas, and the potential savings are significant.
TherMel-Kem™ helps eliminate this expense by utilizing the sun’s energy to heat the crude thereby minimizing or eliminating the need for demulsification chemicals, and reducing fire hazards posed with heater treaters.
A number of crudes contain paraffin which, in itself, does not cause problems. However, changes in temperature, or flow velocity may allow paraffin to precipitate on the formation face, in pumps, tubing, well heads, flow lead lines, processing equipment, or in tank bottoms. High carbon number paraffins are especially difficult to prevent or remove.
Hot oiling, chemical treatment, or mechanical removal are the main methods used to control paraffin deposits. All of these methods are costly, and can result in reduced oil production in-between or during paraffin removal procedures.
There are hundreds of hot oil units working in the oil fields. Many of these utilize propane for fuel, which adds to the cost of hot oiling wells.
EES TherMel-Kem™ units can eliminate the need for hot oil units, thus saving the well operator from bearing this expense.
EES’s TherMel-Kem™ units release solar heated fluids down hole which helps prevent paraffin precipitation.
In most instances, an EES paraffin chemical may be required to supplement the solar treatment
Produced oil is pumped into a sale (storage) tank to await shipment. The low gravity or high viscosity crude oil produced in some areas cannot be pumped into the sales line or be transported to the refinery.
The oil must first be heated by a costly “hot oil unit” to make it mobile enough to be pumped.
This is a very expensive, both in DOLLARS and ENERGY consumption method.
Hot oiling a 200 barrel tank of crude oil for mobility uses about 100 gallons of butane and the equipment used can be dangerous to the people operating it.
Multiply 100 gallons of fuel by a 1,000 tanks treated daily in Oklahoma alone and you have a potential savings of 100,000 gallons of butane. Considered nationwide, the figure becomes astronomical.
Installing the TherMel-Kem™ well treating system with a nominal amount of EES chemical will virtually eliminate the necessity of hot oil treatments, thereby reducing costs.
The viscous nature of heavy crude, and other crudes with high water in oil emulsion ratios, paraffin, or asphaltine sludge content, causes it to remain in the producing formation rather than flow into the well bore.
Down hole pumps may experience problems pumping these crudes when they do manage to get in the well bore.
EES has designed a process combining heat supplied by a Solar device and a chemical additive, which makes year round production of problem crudes possible.
This unit and process has enabled us to produce 15.4 API gravity crude throughout the coldest Oklahoma winter months.
Our TherMel-Kem™ well treating system unit heats the fluid to temperatures up to 197F. The fluid can then gravity feed into the annulus between the tubing and outer casing string. It can then be allowed to enter the producing formation utilizing the hydrostatic pressure of the heater produced fluid that was fed down hole.
This allows the heat to be transferred to the formation and crude contained therein. The heated crude is less viscous and will flow more readily into the well bore, thus increasing production rates.
TherMel-Kem™ is a PROVEN Well Treatment System
At a test site, we increased production from 1 1 /4 barrels to 5 barrels per day. This attests to the success of our TherMel-Kem™ well treating system and process.
NOTE: A change in temperature from 60 F to 110 F change the viscosity of this crude from 4509 centistokes or 20845 SUS to 452 centistokes or 2059 SUS for an approximately 50% reduction in viscosity or increase in gravity.
The chemical added to emulsify the oil and water reduces the viscosity by about SO%. These facts readily illustrate the change of consistency of the crude oil.