ENG INEER ING SOF TWARE

ERDPRO®

HXR Drilling Services, in partnership with Pegasus Vertex, Inc., has developed ERDPro®, the industry’s newest, most advanced modularwell design and field engineering software suite tailored to horizontal and extended reach drilling (ERD) operations both on and offshore.

ERDPro® combines advanced drilling engineering and well design planning modules with calibrated field data inputs, allowing bothclient personnel as well as our own on-site Drilling Specialists to make not only accurate modeling predictions for wells in the planningstages, but also to use actual parameters seen on the rig during the drilling operation itself to predict upcoming well conditions. In addition, this ability to calibrate torque and drag as well as SPP and ECD on the rig allows for baseline trends to be calculated andmonitored, real-time, by our on-site Drilling Specialists, and any deviation from the trends can be quickly identified, evaluated and addressed before a minor problem becomes a major issue.

ERDPro® Specifications

Unlike many drilling software suites available on the market today, ERDPro® offers multiple depth-based friction factor and flow rateoutputs to allow the user to easily visualize ECD, SPP, torque and hook loads at any point in the wellbore. This allows the operator to beable to prepare for upcoming changes that will need to be made in the well, such as the need to decrease flow rate at a certain depthto keep ECD below FG or to stay below liner rating, or the need to rotate the string to bottom due to the inability to slack off any further. In addition, ERDPro® allows for the torque and drag modeling of casing rotation and mud-over-air operations, as well as surgeand swab ECD calculations while pumping and rotating. Centralizer and downhole friction-reduction tool effects can be modeled, aswell as the effect those tools will have on ECD. ERDPro® also takes into account ROP and RPM on ECD and swab/surge, as well as holecleaning times.

Key Software Elements:

• Simple field data input allows for the planning model to be adjusted to show actual conditions• Multiple torque and drag friction factors• Straightforward data trend evaluation allows for any variation from expected parameters to be easily recognized and evaluated• Fixed or variable flow rate analysis for SPP and ECD calculation at any depth• Takes into account ROP and RPM for ECD and swab/surge calculations• Provides rheology percent adjustment to allow the user to model thinner/thicker mud effects than entered values• Compatible with additional, stand-alone engineering modules provided by HXR/PVI• 3-D graphical output• Copy/paste functions allow for simple input of BHAs, surveys, etc.• Effect of downhole tools (centralizers, NRDPPs, etc.) on T&D• Modeling of specialized casing running operations, such as rotation and mud-over-air• Swab/surge modeling while rotating and pumping for multiple running speeds• Multiple flowrate models• “Split Flow” modeling (underreamers, etc.)• Enhanced MPD backpressure modeling• Fatigue/stress analysis• Max WOB/TOB calculations• FF reduction/increase calculations for rollers, NRDPP’s, etc.• Soft and stiff string models

hxrdrillingservices.com

E N G I N E E R I N G S O F T WA R E

D E E P WAT E R P R O ®

HXR’s DEEPWATERPro® Pore Pressure Evaluation suite uses the unique method of integrating multiple seismic/ sonic velocity stacks topredict pore pressure along the 3D wellpath, and takes into account the effect of formation temperature, making it especially useful foroffshore development projects where extended reach drilling (ERD) or highly deviated wells are planned, and for HPHT shelf projectswhere resistivity is the most accurate measurement used for pore pressure evaluation. DEEPWATERPro® features a modeling library ofboth commonly accepted as well as proprietary and user-defined algorithms, and a LOT/FIT/MDT database for every block in the GOM.In addition to its pre-planning capability, DEEPWATERPro® is designed for near-realtime density, sonic, and resistivity inputs, with thecapability to add d-exponent overlays and MSE calculations for simple visualization of transition-zone pressure changes.

Functionality Highlights of DEEPWATERPro®:

• Uses RHOB, sonic (DT slowness), seismic, resistivity, Dexp, MSE/DSE inputs

• 2-D/3-D Seismic/Sonic Stacks — uses multiple 1-D velocities along actual well path to account for changes as the well is drilledout (ERD development wells)

• Utilizes various basin models (Eaton, Modified Eaton, etc). New models/user defined models can be added, and they can all be modified

• Log viewer that allows for all of the data to be viewed/QC’d

• “Lookahead” capability — allows for the user, using the current pressure change, to project ahead of current position to modelwhat pressure may be given current increase; gives rig team an idea of what they may potentially be facing if drilling continues

• It can automatically, from cation exchange (a X-plot of res/sonic), pick out “clean” shales

• Salts, wet sands and other special models can be interpreted (sands may show regression due to hydrostatic effect, etc).

• Simple to use LAS reader

• Takes into account formation uplift and varying water depth for offsets

• Common datum automatically calculated

Future Additions Include:

• A seg-y file reader

• Enhanced daily reporting function

• Enhanced presentation capability

• Add additional fracture gradient (FG) models to software — increase/updated library

• Enhanced X-plotting capabilities

hxrdrillingservices.com