SPIDR® - Self Powered Intelligent Data Retriever

SPIDR ProductThe Halliburton SPIDR system is designed for well testing and well surveillance without wellbore intervention. The SPIDRlive system consists of hardware to capture high­ quality wellhead pressure data and proprietary models that enable Halilburton to accurately model bottomhole conditions from the wellhead. Use of the SPIDR system avoids the costs and risks of running downhole pressure gauges.

Unconventional Well Testing

  • Diagnostic Fracture Injection Testing (DFIT™)
    • Test ultra-low permeability formations in real time for reservoir and formation properties
    • Analysis of the DFIT data can be used to optimize the hydraulic frac design

Regression Analysis Chart

  • Frac and Post-Frac Pressure Surveillance
  • Engineered Frac Flowback Services (CALIBR)

Conventional Well Testing

  • Pressure Transient Test (PTA)
    • Buildup/Drawdown Tests
    • Multi-rate tests
  • Injection Well Testing
    • Real time wellhead pressure and temperature surveillance
    • Monitor flowing bottom hole pressure surface
    • Short term or long term monitoring
  • Subsea Well and Pipeline Testing
  • Other Applications that Require High Quality Pressure Data
    • Steam flood well testing (measure rate and pressure)
    • Well integrity, packer leakage testing
    • Decommissioning/plug & abandonment
    • EOR applications

SPIDR Data Chart

Reservoir Testing Analysis

  • Accurate Conversion to Downhole Pressures Via Optimized Cullender-Smith Conversion
    For gas wells, Halliburton uses a proprietary modification of the Cullender-Smith routine to convert wellhead pressures to bottom hole pressures (see actual results on page 4). For single-phase oil wells (above the bubble point at wellhead conditions), we use an incompressible-flow model and obtain accurate conversions. For multiphase wells, we have developed proprietary correlations that can handle mist, annular mist, bubble, dispersed bubble, and churn flow. Accuracy of the wellhead-to-downhole conversion varies with the quality of the input data (rates, pressures, and PVT information). But, based on test objectives and well conditions, we can optimize the test procedure to mitigate or eliminate possible sources of error. Also, we estimate the potential range of error before the test, so you can make an informed decision about the best way to test the well.
  • Unconventional DFIT™ Testing Analysis
    The purpose of the DFIT™ test is to obtain essential reservoir properties in a relatively short period of time.  The DFIT™ is the primary empirical method that helps determine fracture design parameters (i.e. closure time, closure stress, net pressure, fluid efficiency, dominant leak-off mechanisms, etc.). These variables are necessary to define the discrete fracture network model.  If pseudo-radial flow has been achieved, the reservoir pressure and reservoir flow capacity can be determined via After-Closure analysis (ACA). Halliburton is able to provide quick look analysis during a test and perform a full analysis upon completion of a test.
SPIDR Specifications
Full-Scale Pressure 15,000 psi (103 MPa)
Resolution (Internal Transducer) 0.01 psi (68.95 Pa)
Repeatability ≤0.01% of full scale
Hysteresis ≤0.01% of full scale
Linearity ≤0.01% of full scale
Accuracy ≤0.01% of full scale
Thermal Compensation Indicated pressures unaffected by ambient temperature changes within the operating ambient temperature range of 15°F to 180°F (-26°C to 82°C.)
Maximum Memory Capacity 9,000,000 data sets in single-channel mode
Communication Interface USB, RS-232, INSITE®
Power Supply 3 alkaline "D" cells
Pressure Fitting 6,000 and 10,000 psi (41.3 and 68.95 MPa), 1/2-in NPT, 30,000 psi (207 MPa) Autoclave
Dimensions, LxWxH 5-3/4 in. x 5-3/4 in. x 9 in. (146 mm x 146 mm x 229 mm)
Weight 8.5 lb (3.8kg)
Housing Modified cast-aluminum Class 1, Group D enclosure with chemical-resistant finish
Programmable Sample Logic Data storage rate controlled by programmable sample interval and pressure window
Fastest Sample Rate One per second
CSA-Certified "Intrinsically Safe"  
ATEX-Certified  
Certified for Sour Service  

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