RODSTAR-D is the most powerful and easiest to use design computer program for deviated rod pumping systems.

It has many powerful features including:

1. Very easy input of deviation surveys from an Excel spreadsheet, a RODSTAR-D well file, or from Optical Character Recognition (OCR) software.
   
   
2. You can enter a target production rate (or IPR data) and have the program automatically calculate the pumping speed, plunger size, rod string design, pumping unit size, and motor size you need.
   
   
3. Produces concise and easy to use output reports that also display onscreen the same way they print.
   
   
4. Can run in batch and summarizes the results of many runs in a spreadsheet that automatically loads into Excel ® .
   
   
5. Helps you visualize wellbore deviation with a sophisticated and interactive 3-D plot and a lot more.

Minimizes Paper Output Pages

RODSTAR-D has an easy to read and use output that minimizes the number of pages of paper you get. The main one-page calculation summary shows most important outputs you need. Also, the one deviation plot one-page summary shows seven deviation plots on one page.

Visualize Wellbore Deviation

After you enter (or import) the deviation survey for your well, you can see a 3-D plot of the wellbore. This is an interactive plot you can spin around with the mouse to look at different views, zoom in, etc. The program shows the different sections of the rod string with different colors. You can also access this 3-D plot while you are entering deviation data manually. The deviation entry input window calculates dogleg severity, true vertical depth, and North-South and East-West distances from your input of measured depth, inclination and azimuth.

Design Steel or Fiberglass Rods

RODSTAR-D is the only program of its kind to automatically design optimized conventional, steel, Corod, or fiberglass rod strings for you in seconds with the wave equation.

Rod String and Pumping unit Cost Analysis

RODSTAR-D is the only program of its kind to calculate the cost of the rod string and pumping unit. You only need to enter the cost values once and you can easily update these values at any time. The rod string cost, along with the monthly electricity bill that RODSTAR-D also calculates, allows you to better compare system designs.

Compare Pumping Units

RODSTAR-D can simulate any pumping unit, including long stroke (Rotaflex) or hydraulic units. RODSTAR-D comes with a huge pumping unit data base (with over 4000 units) that includes data for:

• American
• Ampscot
• Bethlehem
• Cabot
• Churchill
• Darco
• Emsco
• Jensen
• Lacy Air Balanced
• Legrand
• Lufkin Conventional (new and old), Mark II, Reverse Mark, Low Profile and Air Balanced units
• National
• Oilwell
• Parkersburg
• Rotaflex
• Rigmaster
• Smaco
• and many others. RODSTAR-D allows you to customize the list to show only the pumping units you use frequently, and you can add your own pumping unit dimensions to the database.

Sophisticated IPR modeling

RODSTAR-D allows you to enter production and pressure test points (1 to 10) and can generate IPR curves using Vogel or Fetkovich methods. Also, it dynamically calculates max. production rates for water and oil.

On-Screen Dynamometer Card Comparison and Animation

After you analyze a system with RODDIAG or XDIAG (diagnostic programs developed by Theta Oilfield Services), you can read the RODDIAG or XDIAG data file with RODSTAR-D. Also, you can overlay the measured dynamometer card on the predicted dynamometer card plot. This saves time and allows you to determine unknown quantities, such as rod-tubing friction and fluid level, and to detect bad data, such as an out-of-calibration load cell that results in a shift between the predicted and measured dynamometer cards.

In addition, RODSTAR-D for Windows can "animate" its dynamometer card plots by simultaneously showing how the surface and downhole loads change in actual pumping speed. This allows you to "see" rod stretch effects, load fluctuations on the plunger, the delay between pump and surface position, and other interesting effects that cannot be seen any other way.

Incredibly User Friendly

RODSTAR-D for Windows has an interface that is very easy to use. It contains expert context sensitive help for every input field. RODSTAR-D uses a unique visual help system that includes drawings (for pumping unit dimensions, etc. Also, RODSTAR-D comes with an artificial lift glossary with definitions for hundreds of terms. It displays recommendations or warnings to help you avoid mistakes or to improve system design and with RODSTAR-D for Windows you can enter everything yourself, or have the program do most of the hard work for you.

Sophisticated Program Setup

RODSTAR-D allows you to customize the software for your application. You can enter defaults for all inputs that the program uses to automatically fill-in those fields, you can specify the maximum allowable steel rod and fiberglass rod loading, the rod guides you normally use, and the rated side load per rod guide. Also, you can enter rod string costs per foot, pumping unit cost, you can enter your own measured pumping unit dimensions, custom rod guides, you can customize the pumping unit database, you can customize the spreadsheet created when you run in batch, and more.

E-Mail a Case

RODSTAR-D for Windows allows you to e-mail a case file directly from within RODSTAR-D to Theta Oilfield Services, Inc. for support.

This is especially convenient for discussion of special conditions that you might encounter and is available to all customers that continue to maintain their annual Technical Support Agreement.

Summary Report

RODSTAR-D for Windows has an enhanced Summary Report which displays the same as the output will look when printed.

The report includes additional options for sizing and multiple page display.

Visual Input

RODSTAR-D for Windows has a Visual Input window with a representation of the Rod Pumping System. Hotspots are available on the display which can be clicked to navigate directely to the relevant page or field for input.

This visual input allows you to simply point to the part of the system you want to modify and select which variable to change. Then you can rerun the report and you immediately see the effects of the change.

No Per-Run Charges

RODSTAR-D for Windows is available for a one-time licensing fee. A monthly lease-purchase option is also available.

Outstanding Technical Support

Theta Oilfield Services is dedicated to your satisfaction. Our technical support includes a monthly newsletter, a support hotline, free upgrades and free "bug" fixes (for the first year) and immediate response to problems or questions. When you have a problem, solving it becomes our highest priority.

Computer Requirements

Following are the minimum system requirements for RODSTAR-D for Windows:

• Processor: 1.0 Ghz Pentium III or above.
  
  
• Operating System: Windows XP, Windows 2000 (SP2 recommended)
  
  
• Memory: 256 megabytes (MB) of RAM recommended
  
  
• Hard Disk Space: 100 megabytes (MB) of free space recommended
  
  
• Display: Super VGA (1024 x 768) recommended
  800 x 600 resolution can be displayed.