SPIDR® - Self Powered Intelligent Data Retriever

SPIDR ProductNo-risk, low-cost, non-intervention well testing. Other companies claim to offer surface pressure measurements for well testing, but only Halliburton can provide a sophisticated conversion of surface data to reservoir conditions, free well test planning, and offer well test analysis with a proven track record.

Conventional Well Testing

  • Pressure Transiet Test (PTA)
    • Buildup/Drawdown Tests
    • Mutli-rate tests
  • Injection Well Testing
    • Water and gas injection well testing
  • Well Surveillance
    • 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

Unconventional Well Testing

  • Diagnostic Fracture Injection Testing (DFIT™)
    • Test ultra-low permeability formations in real time for reservoir and formation properties
    • Capture high resolution pressure data and injection rate data
  • Fracture Communication / Interference Monitoring
    • Data used to help determine spacing and volume
    • Real time communication
  • Frac and Post-Frac Pressure Surveillance

Regression Analysis 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&trade 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) or 30,000 psi (207 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
4,500,000 data sets in two-channel mode
3,000,000 data sets in three-channel mode
External Transducers Excitation: 5V @ 5mA DC
Signal: 0.8 to 3.2V
Available for pressure, differential pressure, temperature, and turbine flowmeters
Resolution (External Transducers) 1/2,000 Example: 6,000 psi (41.37 MPa) has a resolution of -3 psi (0.02 MPa)
Communication Interface USB, RS-232, INSITE®, Wireless Radio, Internet
Power Supply 3 alkaline "D" cells: life of 9 million samples or 2 years
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"  
Certified for Sour Service  

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Summary Summary Self-Powered Intelligent Data Retriever SPIDR
The SPIDR system delivers accurate downhole pressures without the cost, risk and hassle of downhole gauges
Summary Summary FlowCom Software
Using our free software the SPIDR is able to communicate with any PC. FlowCom is a full-featured communications tool for viewing real time data, downloading the SPIDR and processing the test data.
Summary Summary Gauge Selection for Pressure Transient Testing
When conducting pressure transient tests (PTA) on high permeability reservoirs or for diagnostic fracture injection tests, the importance of pressure gauge quality cannot be overstated.
Summary Summary DFIT Testing Downhole vs Surface Data
Halliburton has built its reputation as the best surface well testing company by providing a “blind” comparison to downhole gauge data on a pressure transient test to new customers or in new areas.
Summary Summary Gauge Quality Will Affect Analysis
In the past three decades there have been major technological improvements in the field of pressure measurement.
Summary Summary Communication Testing For Observation Well Having a Liquid Column
Communication Testing For Observation Well Having a Liquid Column
Summary Summary Data Requirements for DFIT Testing
The bulk of the data recorded by SPIDR® surface pressure gauges over the years has been for pressure transient analysis (PTA);
Summary Summary Gas Well Deliverability Testing
The "deliverability" of a gas well can be defined as the well's capacity to produce against the restrictions of the well bore and the system into which the well must flow.
Summary Summary Communication Testing
Communication Testing relies on changes in pressure at one location producing measurable pressures changes at the second location. The most common communication tests used in the production of oil and gas are the interference test and the pulse test.
Summary Summary Comparison of SPIDR vs DHG in High CO2 well
Performing pressure transient analysis tests from the surface provides a no risk and low cost alternative to traditional downhole testing.
Summary Summary Candidate Selection for Surface Testing
Over the past 26 years, SPIDR® has developed the SPIDR® well testing system into the preeminent method of testing gas and gas condensate wells from the surface.
Summary Summary Communication Interference Testing The Low Cost, No Risk Approach
Interference testing, also known as a communication test, is a multiple well test that is used by operators to determine intra-field connectivity.
Summary Summary Diagnostic Fracture Injection Tests in Ultra Low Perm Formations
Pressure transient testing has been the standard method over the years to obtain important well information such as reservoir pressure, permeability, and skin in conventional reservoirs (permeability >1 md).
Summary Summary Remote Interference Monitoring of Offset Producers during Stimulation Operations
The drilling of horizontal wells is increasing rapidly throughout the oil and gas industry due to enhanced reservoir contact and thereby enhanced well productivity, especially in unconventional, ultra low permeability areas.
Summary Summary Thermal Compensation of High precision pressure gauges
Precision pressure gauges based on the electrical resonance property of quartz crystal are considered the highest accuracy pressure gauges available.
Summary Summary DFIT Analysis When On Vacuum At The Surface
A diagnostic fracture injection test (DFIT™) is an optimal type of test to perform using surface acquired pressure data.
Summary Summary How long do I test
One of the most important questions in the design of a well test is, “How long do I test?”
Summary Summary Flow Rate Measurement Using the SPIDR
For many years the Halliburton has been used to collect high quality surface pressure data.
Summary Summary DFIT Analysis
Over the past few years at Halliburton we have seen a marked increase in the number of diagnostic fracture injection tests (DFIT™) performed along with an increased desire by our customers to get this test data analyzed and interpreted for use in planning future stimulation work and for determining reservoir characteristics.
Summary Summary Mechanical Integrity Testing with the SPIDR
Mechanical Integrity Tests (MIT) on producing wells and disposal wells are required by both state and federal regulatory authorities.
Summary Summary Injection Fall-off Testing using the SPIDR Gauge
Testing wells from the surface has become increasingly accepted from operators both in conventional gas and gas condensate PTA applications but more recently in injection fall-off testing.
Summary Summary Long Term Well Monitoring
Pressure Transient Analysis (PTA) is the primary tool for reservoir management.
Summary Summary Multirate Well Testing
This article describes different types of multi-rate tests, as well as addressing which type of well test should be performed to meet a given objective.
Summary Summary Interpreting Pressure Transient Tests
There is a lot of information present in a pressure transient test, and it is the reservoir engineer’s job to correctly interpret that information in order to make the proper decisions regarding the production of the well being tested.
Summary Summary Interference Communication Monitoring during Frac Operations
With the large number of wells being fractured in the tight sand and shale formations, it has become an increasing concern to operators when adjacent producing wells are knocked “offline” by a nearby frac.
Summary Summary How to ensure a successful test
Running a successful well test not only provides information about the reservoir, it also makes it easier to justify future well tests.
Summary Summary Pressure Build-ups (PBU) vs. Static Gradient Survey Flowing Gradient Survey
During a recent international marketing trip we have found that many operators of high rate gas and gas condensate wells perform Static Gradient Surveys (SGS) and/or Flowing Gradient Surveys (FGS) as opposed to Pressure Build-up or drawdown tests.
Summary Summary Step Rate Testing
Injecting at pressures significantly below the parting pressure results in reduced oil recovery rates whereas injecting at pressures above the parting pressure may result in loss or misdirection of the injection fluid and reduced oil recovery.
Summary Summary The Effect of Wellbore Storage on Surface Data
Engineers often ask how much of an effect wellbore storage has on surface data for a pressure-transient test.
Summary Summary Types of Well Tests
Types of Well Tests: Build-Ups and Drawdowns
Summary Summary Understanding Wellbore Cooling
Halliburton has been conducting pressure transient tests from the surface for years.
Summary Summary Properly Conducting a DFIT
For the past several years, the majority of tests performed are pre-frac injection fall-off tests aka DFIT™ test (Diagnostic Fracture Injection Test).
Summary Summary Water Gas Injector Testing from Surface Measurements
Measuring surface injection pressures and rates are routine applications for Halliburton.
Summary Summary SPIDR Injection Testing Measure Rate and Pressure
One the many unconventional applications for the SPIDR® gauge is as a tool for injection well tests.
Summary Summary Testing Oil Producers from Surface Measurements
The most common misconception that exists about the SPIDR® Well Testing System is that it is limited to only dry gas applications.
Summary Summary Reservoir Dimensioning using the SPIDR
Operating oil and gas properties in the Gulf of Mexico can present many challenges on a daily basis.
Summary Summary Two Rate Well Test
However, with wells producing fluids, there may be a lack of knowledge regarding the presence of fluids in the well bore after shut-in.
Summary Summary Utilizing the SPIDR for Gas Storage Well Tests
As natural gas is seen across the globe as an efficient and environmentally friendly energy source, the demand for it has grown steadily.
Summary Summary Summary of Halliburton SPIDR
The benefits to running Halliburton's SPIDR® gauge system in lieu of running downhole gauges fall into four categories: 1) Safety/Risk; 2) Cost Reduction; 3) Instrumentation; 4) Data Processing.
Summary Summary Effects of Ambient Temperature Change on DFITs
This article will show that the daily pressure cycling continues even when a thermally compensated dual-quartz crystal pressure gauge for acquiring surface pressure data is used. It will also show that the use of small-diameter capillary tubing to connect the pressure recorder to the wellhead has no effect on data quality. It will be shown that the effect of daily pressure cycling can be significantly reduced by insulating the wellhead and using injection fluids with low thermal expansion.
Summary Summary CALIBR℠ Engineered Flowback Service
Calibrate your flowback for optimized well performance
Summary Summary Offshore Applications
The significant cost savings is one of the primary drivers in choosing the SPIDR to test wells in an offshore environment.
Summary Summary Modified Isochronal Testing
The purpose of performing an isochronal test is to determine the rate dependent skin.
Summary Summary Injection Well Testing
Injection well testing is an application where SPIDR gauges can be used instead of downhole gauges.
Summary Summary Tutorials
Here you will find simple tutorials and explanations of some of the types of well test installations and procedures...
Summary Summary Step Rate
Step-rate test are run on injection wells to determine the maximum injection rate possible without fracturing the reservoir.
Summary Summary Reservoir Compaction
Production from hydrocarbon reservoirs causes decline in the pore fluid pressure and increases the stress on the formation rock itself.
Summary Summary Rental Information
Compared to conventional downhole testing, renting a 10 pound SPIDR kit is utterly simple: no service company trucks, no technicians, no lubricators.
Summary Summary Testimonials
Testinonials for SPIDR
Summary Summary SUBSEA SPIDR® system
Production optimization requires an under-standing of the reservoir, completion, wellbore and downstream systems.
Summary Summary SPIDR® system Installation
SPIDR® system installation takes just minutes
Summary Summary Post Frac Flow Back & Cleanup
Flowback service providers typically do not provide a precision digital pressure measuring device for the capture of flowback pressures during well cleanup.
Summary Summary Reservoir Turbulence
Darcy�s law assumes laminar flow in the reservoir as the gas approaches the wellbore.
Summary Summary Well Data Conversion
When SPIDR� was first founded our primary goal was to provide a digital wellhead pressure (WHP) gauge that would allow customers to collect data at surface and convert to BHP.
Summary Summary Reservoir Engineers
Part of the reservoir engineer�s typical function is to perform pressure transient tests on a regular basis.
Summary Summary Packer Leakage
Packer leakage tests are used to verify isolation of the annulus from the tubing in a single-completion well.
Summary Summary Production Engineers
Well testing is one of the many duties overseen by Production Engineers and Technologists...
Summary Summary Services
Halliburton provides our clients with two primary services: rental of the SPIDR hardware and our proprietary conversion algorithms which allow us to accurately model wellhead pressure (WHP) to bottomhole (BHP) conditions.
Summary Summary Two-Rate
The two-rate flowing test yields most of the same information as a build-up test, but without a shut-in.
Summary Summary Communication Tests
Communication tests are used to determine if two wells are producing from the same reservoir.
Summary Summary Frac Communication
As operators drill and develop acreage with horizontal wellbores, it has become apparent that in extremely low permeability areas very small spacing will be required to fully develop the field.
Summary Summary Engineers
The SPIDR system is a versatile tool that has applications throughout a well's life-cycle from completion to abandonment. This portal is designed to discuss the applications of our system for different engineering disciplines.
Summary Summary Drill Stem Testing Applications
Drill stem testing or DST has been the industry standard for testing new and especially exploration wells for almost a century.
Summary Summary Mechanical Integrity Testing
State and Federal agencies require scheduled Mechanical Integrity Tests (MIT) of wells used for the underground disposal of hazardous materials.
Summary Summary Gas Injection
Performing pressure transient tests from the wellhead in place of running wire and pressure gauge provides the operator with a RISK FREE and LOW COST alternative to conventional methods.
Summary Summary Injection Fall-Off Tests
As with a producing well, injection wells may also build "skin" over their operating life.
Summary Summary Drawdown
Drawdown testing will provide the same reservoir data as the build-up test and is run by producing the well at a constant rate after an extended shut-in period.
Summary Summary Drawdown Testing
The objectives of a drawdown test are to determine skin, perm and the distances to the reservoir's boundaries.
Summary Summary DFIT� Testing
The DFIT� Test has become the dominate pressure transient test for SPIDR for unconventional reservoirs
Summary Summary Applications
You can test almost any gas well for a fraction of the cost of a conventional downhole test.
Summary Summary Deliverability
The deliverability test is commonly used by gas producers, gas purchasers, and regulatory agencies for estimating a well's sustainable production rate.
Summary Summary SPIDR Advantages
The results obtained from the SPIDR are equal to or superior to those from testing with downhole gauges, without the many risks and costs of downhole testing.
Summary Summary Build-Up Testing
The primary purpose of performing a build-up test is to determine the wellbore damage (skin) and the reservoir permeability
Summary Summary Unconventional Well Testing
Unconventional well testing with the SPIDR has become the predominant application recently
Summary Summary Boundary Determination
A common transient test in a high permeability gas wells is a Boundary or �limits� test.
Summary Summary Gas Meter Prover
The SPIDR can be used as a precision flowmeter or as a meter prover.
Summary Summary Frac Monitoring
The fracturing process is accomplished by pumping fluid into the reservoir at high rate and pressure until the reservoir rock fractures.
Summary Summary Fines Migration
High permeability wells are normally characterized as high productivity wells which means high flow rates and velocities, there is an opportunity to bring �fines� (or very small formation or reservoir material) into the wellbore which can act to plug or choke off portions of the gravel pack.
Summary Summary Limiting Flowing Bottomhole Pressure
The importance of limiting flowing bottomhole pressure to a maximum percentage (20% or some pre-determined percentage) of reservoir pressure is very important in high productivity wells.
Summary Summary Conventional Well Testing
Pressure transient testing of conventional gas producers is one of the most common applications for SPIDR.
Summary Summary Completion Engineers
In the past few years Completions Engineers have started to take on a more prominent role in well testing.
Summary Summary Build-Up
Build-up tests require the well to be shut in after producing for an extended time at a stable rate.
Summary Summary Reservoir Pressure
Probably the most important reason to perform well testing is to measure the changing reservoir pressure as a reservoir is being produced.
Summary Summary SPIDR® - Self Powered Intelligent Data Retriever
SPIDR® is an acronym for Self Powered Intelligent Data Retriever.