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Case Study · 6⅛″ lateral · 2,300 m MD
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Drilling intelligence platform

The whole well,live.

Real-time drilling analytics, engineering models and machine learning on one platform, from the rock properties to the end-of-well report.

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Geology & pressure

Start from the rock, not the rig.

Formation tops, overburden, pore pressure and fracture gradient are built from logs and offset wells, with their uncertainty. Together they set the mud-weight window and the casing seats before a metre is drilled.

Pressure window · Case StudyTVD vs EMW
Pore pressure
Eaton · Bowers · Dxc
Fracture gradient
Calibrated to LOT and FIT
Uncertainty
Monte Carlo P10–P90

Overburden from bulk density · normal compaction trend · Kirsch and Mohr–Coulomb stability · polar collapse plot · live ECD against the window

Well design · Casing

Every string checked against every load.

Seats come from the pressure window. Each string is sized for burst, collapse, axial and triaxial loads, with dogleg bending, wear and temperature, and the lightest design that passes every case is chosen.

Casing check · Case StudyLoad vs rating
Load cases
Gas to surface · evacuation · cementing · running
Standards
API 5C3 · ISO 10400
Also
Kick tolerance · wear · trapped annulus

Well design · Pressure control

Inside the well, from the stack down.

Keep scrolling and the story goes inside the well. At surface, the BOP stack and its choke and kill lines are kept in the BOP register with their tests. Kick tolerance and MAASP are worked out for every section, so the kill sheet is ready before it is needed.

Kill methods
Driller’s · Wait & Weight · Volumetric · Bullheading
Limits per section
Kick tolerance · MAASP
Kick detection
Pit gain corrected for hole drilled
Records
BOP register · test checklists

Well design · Cementing

Cement placed in the model before it is pumped.

Every stage of the job is simulated: free-fall, ECD at the weak point and bump pressure. While it is pumped, live pressure is checked against the model at the same displaced volume, and the bond log closes the job out.

Rheology
Bingham · Herschel–Bulkley · viscometer
Centralisation
Standoff to API RP 10D
Job types
Primary · two-stage · liner · plug · squeeze
Shoe test
LOT and FIT update the window

Well design · Trajectory

Planned, surveyed and rescanned.

The well path is planned to its targets and dogleg limits. Each accepted survey is projected to the bit and rescanned against every offset well, and the side force at each tool joint shows where the casing will wear.

Surveys
Minimum curvature · projection to the bit
Anti-collision
ISCWSA error models · separation factor
Build rate
Motor yield from the BHA model
Casing wear
From tool-joint side force

Well design · Liner

Liner laps designed to hold.

A liner is designed and cemented in the same models as the casing above it: the loads carried through the lap, the liner cement job and its ECD, and the pressure test of the liner top, kept with the well.

Loads
Burst · collapse · axial through the lap
Liner cementing
Placement and ECD at the weak point
Temperature
Thermal and trapped-annulus pressure
Lap test
Recorded with the well

Well design · Landing

Land where the geology says.

The shoe test resets the fracture gradient for the next section. Cuttings and logs are correlated to the prognosis as they come in, with a warning before each top, so the well lands in the reservoir and not above or below it.

Tops
Cuttings lithology against prognosis
Look-ahead
Alert before the next top
Landing
Typewell correlation · auto-dip
Window
FIT recalibrates the next section

BHA & drilling mechanics · Drill string

See the whole string, then prove it.

The drill string and BHA are drawn to scale in the hole, component by component. Torque & drag runs for sliding, rotating and tripping; buckling and fatigue are checked joint by joint; and the cuttings bed on the low side is modelled for hole cleaning.

Torque & drag · Case StudyHookload vs MD
Model
Soft and stiff string
Buckling
Sinusoidal · helical · lock-up
Fatigue
API RP 7G, per joint

Friction calibrated from measured stands · jar placement from the neutral point · hole cleaning: critical velocity, bed height, CTR

BHA & drilling mechanics · Assembly

Every component, in the hole, to scale.

The BHA is built from a catalogue of more than 1,300 tools. Beam-column analysis gives the side force at every stabilizer and the tilt at the bit, and the LWD logs stream into petrophysics and geosteering as the hole is drilled.

Catalogue
1,300+ tools · templates shared across wells
Mechanics
Beam-column side force · bit tilt
Limits
Critical speeds · connection bending strength ratio
Logs
Gamma · resistivity · density · neutron · sonic

BHA & drilling mechanics · Steering

Steering, decoded as it happens.

Surveys and toolface arrive by mud pulse with the drilling data. Every slide and rotation is logged against the plan, and the motor’s build rate, differential pressure and stall margin are tracked for the whole run.

Directional
Slide and rotate log · toolface
Motor
Build rate · differential · stall margin
Surveys
Quality-checked, projected to the bit
Non-magnetic spacing
Magnetic interference checked

BHA & drilling mechanics · Bit

Cost per metre starts at the cutters.

Nozzles are sized for hydraulic horsepower and jet impact. MSE shows how much of the energy reaches the rock, and every dull is graded cutter by cutter, so the next bit is chosen on evidence.

Hydraulics
HSI · jet impact · TFA
Efficiency
Surface and downhole MSE
Dull grading
IADC with a cutter map
Selection
Cost per metre from offset runs

Real-time drilling

Every channel, every metre, against the plan.

WITSML and WITS0 streams are decoded into rig states, KPIs and MSE as they arrive, and the engineering models recalculate beside them. Keep scrolling and the Case Study well drills: the log grows with the bit.

Depth log · liveRotating
Rig states
17, coded from sensors
Streams
WITSML · WITS0
KPIs
Per stand and connection

Rig-state detection · connection and tripping KPIs · Teale and downhole MSE · WITSML 1.3.1.1 / 1.4.1.1 · WITS0 · LAS and DLIS export

Geosteering · Correlate

Stay in the zone.

The lateral is correlated to a typewell as it is drilled. Gamma ray and resistivity are matched to the offset well's tops, the structure model is updated with auto-dip, and the target window follows the real reservoir, not the prognosis.

Typewell correlation · Case StudyGR · RT vs TVD
Correlation
Typewell · auto-dip
Structure
Horizons updated as drilled
Logs
GR · RT along the path

Geosteering · Look around

See the contact coming.

Deep azimuthal resistivity reads several metres around the bit. The inversion behind the bit maps the oil–water contact under the well, and the distance to it is tracked continuously, so a drift is flagged before the bit reaches water.

Look-around
Distance to boundary, live
Inversion
Resistivity section behind the bit
Alert
Contact inside the look-around
Saturation
Archie · Indonesia · Simandoux

Geosteering · Decide

Steer back into the sweet spot.

Each option ahead is scored against the model: hold and cross into water, or steer up and stay in pay. The misfit spectrum gives a second opinion before the tool face is turned, and the whole lateral is kept for the post-job report.

Lateral section · Case StudyTVD · resistivity
Second opinion
Misfit spectrum
Options
Hold · steer, scored
Report
Post-job geosteering

Protect

Catch the pack-off before it sticks.

Stuck-pipe risk is scored every 15 seconds across four mechanisms, and kicks, losses and collision risk are watched against baselines learnt from the well itself. Each alarm says what is happening and what to do next.

Pack-off replay · Case StudyStuck-pipe risk
Stuck pipe
Pack-off · differential · geometry · instability
Well control
Learnt pit-noise bands
Anti-collision
Rescanned every survey

Expected loads from torque & drag · SPP baseline · ECD against collapse · freeing: free point, jarring, back-off · kill sheets

Report

The day's story, signed by 06:00.

Daily reports, KPI codes and cost against the AFE are built from the data, then checked and signed by the people who own them.

Days vs depth · cost vs AFECase Study
Daily reports
14 types, from the data
Exchange
WITSML drill reports
Cost
AFE · supplements · burn rate

Cross-checks and sign-off · plan against actual · NPT pareto · estimate at completion · end-of-well report

Operations centre

One room. Every rig. Every shift.

Live · UTC+4 --:--:-- · 6 rigs · 8 wells

The Case Study well is now one screen on the wall. The real-time operations centre sees every active well at once, with each one's rig state, depth, parameters and alarms.

Operations centre · The room

Built for the people who watch the wells.

  • Video-wall layouts per well, per rig or per field
  • Alarms ranked by severity, with the action to take
  • Shift handover notes kept with the data
  • Remote engineers see the same screens as the room
  • 28modules on one platform
  • 17rig states coded from the sensors
  • <2false kick alarms a day, 13-well replay

Illustrative screens, shown at a distance by design

Case Study

One lateral, start to finish.

The Case Study follows one lateral through the whole workflow: the contact seen before the bit reached it, a pack-off caught before it stuck, and the report signed every morning.

0 mof the 999 m lateral kept in the pay zone
0 mclosest approach to the oil–water contact before the well was steered back up
0 hlost time from the pack-off: the alarm came before the string stuck
0 daysto TD against a 25-day AFE, every day reported by 06:00
  1. Pack-off caughtStandpipe pressure rose and torque turned erratic. The risk alarm fired, the string was back-reamed and drilling resumed without lost time.
  2. Contact seen earlyDeep resistivity fell as the well drifted down. The look-around tracked the oil–water contact under the bit, and a slide built the well back into the sand.
  3. Reported and closedDaily reports, cost against the AFE and the end-of-well report were built from the same data, with the two lost-time events coded and explained.

The Case Study is a sample well built into the platform. Its figures show the workflow, not a client result.

Capabilities

The engineering inside each suite.

Every module names its methods and standards, states what it was tested against, and shares its results with the others through one well model.

Pore Pressure & Geomechanics

The safe mud-weight window and the casing seats.

  • Overburden from bulk density, automatic normal compaction trend
  • Pore pressure: Eaton (resistivity, sonic), Bowers with unloading, Dxc
  • Fracture gradient: Eaton, Matthews–Kelly, Hubbert–Willis; LOT/FIT calibration
  • Stability: Kirsch stresses, Mohr–Coulomb, Mogi–Coulomb, Modified Lade
  • Monte Carlo P10/P50/P90 and the chance the mud weight leaves the window

Outputs · PPFG window, polar collapse plot, bottom-up seats, live ECD at the bit

Worked example Engineering-validated

Casing & Tubing Design

The cheapest string that passes every load case.

  • API 5C3 / ISO 10400 burst, collapse and axial; triaxial with dogleg bending
  • Load cases: gas to surface, pressure test, lost returns, cementing, evacuation, running
  • Kick tolerance and seat selection; thermal and trapped-annulus pressure
  • Tubing movement (Lubinski / Hammerlindl), buckling, casing wear, sour service
  • Monte Carlo reliability: probability of burst or collapse failure

Outputs · string design, load plots, weight-and-grade optimiser, design report

Worked example Engineering-validated

Cementing

Design the job, watch it pumped, prove the isolation.

  • Bingham, Herschel–Bulkley or viscometer rheology
  • Placement simulation with free-fall, bump and ECD at the weak point
  • Centralisation standoff to API RP 10D, thickening time, gas-flow potential
  • Live pump pressure against the simulation at the same displaced volume
  • CBL/VDL bond index; two-stage, plug, squeeze and liner jobs

Outputs · job design, live job view, evaluation and sign-off, WITSML cement job

Worked example Engineering-validated

BHA Design

Assemblies that steer, survive and trip.

  • 1,300+ tool catalogue, CSV import, templates shared across wells
  • Beam-column bit side force and tilt; motor build rate
  • Neutral point, jar placement, connection bending strength ratio
  • Lateral, axial and torsional critical speeds
  • Non-magnetic spacing, bit hydraulics (HSI, jet impact), motor stall margin

Outputs · to-scale BHA drawing, string in the hole, run records

Worked example Engineering-validated

Torque & Drag

Hookload and torque limits before the run, friction while drilling.

  • Soft-string, checked line by line against a reference workbook
  • Stiff-string finite-element beam-column with wall contact over the BHA
  • Helical and sinusoidal buckling, lock-up, von Mises at the worst fibre
  • Drill-pipe and connection fatigue to API RP 7G
  • Least-squares friction calibration from measured stands

Outputs · broomstick, road map, buckling bands, friction trend and alerts

Worked example Field trials

Hydraulics & ECD

Pressures, hole cleaning and ECD, planned and live.

  • Bingham, Power Law, Herschel–Bulkley, API RP 13D; HPHT rheology
  • Hole cleaning: critical velocity, bed height, slip velocity, CTR
  • Surge and swab, steady and transient, with a trip-speed schedule
  • Managed-pressure connections, riser boost, choke and kill lines
  • Modelled against measured standpipe pressure: washout or plugged nozzle

Outputs · ECD against the window, SPP match, bit optimisation, live channels

Worked example Field trials

Reports

Reports your team signs, not types.

Every page below is built from the Case Study's data: the operations log, the time breakdown, the lithology, the cost against the AFE. People check and sign; nobody retypes.

DrillIQDAILY DRILLING REPORT
No. 20 · 22 Jan 2026
Case Study · Rig 1
00:00–24:00 (UTC+4)
Depth 24:002,240 m
Progress35 m
NPT14.0 h
Daily cost$100,500

Time breakdown

DrillReamCirculateNPT · MWDLog

Operations

FromToOperation
00:0002:33Drill 2,205 → 2,233.2 m; connection 01:38, 9 klbf over
02:3303:08Pack-off signs; back-ream 2,233 → 2,204 m
03:0804:18Wash to bottom; bottoms-up, cavings at shakers
04:1804:56Drill to 2,240 m
04:5606:00MWD not decoding; three pump cycles
06:0020:00NPT: trip for MWD and bit change, wash down
20:0024:00Bottoms-up; re-log 2,200–2,240 m

Bit and BHA

BitSizeIn → outGrade
4 · DM6136⅛″1,760 → 2,2401-1-WT-A-X-I-NO-DTF
5 · DM6136⅛″2,240 →in hole
Prepared: night drilling engineerApproved: drilling supervisor
DrillIQDAILY GEOLOGY REPORT
No. 21 · 23 Jan 2026
Upper Reservoir Sand
Lateral 2,240–2,380 m
TVD range1,501–1,505
Porosity19–24 %
GR30–40 gAPI
Sw min0.13

Lateral section

Lithology and shows

IntervalDescription
2,240–2,300SST, lt brn, f–m, sbrnd, wl srtd; good oil show, even fluor.
2,300–2,339SST as above; transition zone, rising Sw
2,339–2,380SST, back in oil leg; show good

Geosteering

2,280 mSteer up, slide near high side
2,380 mBack at 1,501.3 m TVD target
Wellsite geologistOperations geologist
DrillIQCOST AGAINST AFE
CS-AFE-001
At release, 29 Jan 2026
USD
AFE2,450,000
Supplements110,000
Actual2,560,000
Variance+4.5 %

By code

AFEActual

Supplements

S1 · 17 JanCore 1, Reef Limestone 3 m high40,000
S2 · 23 JanMWD failure: rig day, bit 5, MWD70,000
S3 · 27 JanAcid wash (not approved)45,000
Cost engineerDrilling manager
DrillIQEND-OF-WELL REPORT
Case Study · horizontal producer
Spud 5 Jan · TD 26 Jan · released 29 Jan 2026
TD2,759.2 m
Days26
Avg ROP27.5 m/h
NPT24 h

Days vs depth

By section

SectionMetresBit hROP
16″4208.052.5
12¼″1,19030.039.7
8½″1025.518.5
6⅛″99955.018.2

Lessons

Reef Limestone 3 m TVD high: core point called early, AFE S1
MWD failure at 2,240 m: 14 h NPT, run a backup pulser
Drilling engineerAsset manager

Digital twin & AI

Physics you can audit. Learning where it earns its place.

Each model is kept in step with the rig at a stated rate and calibrated as the well is drilled. Machine learning is used where it beats the rule it replaces, and it is labelled as such.

Live physics models

The engineering models run beside the rig's data, each at its own rate, and report the gap between model and measurement.

Machine learning, labelled

Noise bands learnt from each well's own data, rig-state classification in field trials, and offset forecasts with P10, P50 and P90 checked by backtest.

No black boxes

Every result names its method and standard, and every module states what it was tested against.

ModelKept in step withRateCalibrated by
Torque & dragPick-up, slack-off, rotating loads, torqueEvery standLeast-squares friction
Hydraulics & ECDStandpipe pressure, ECD at shoe and bitLiveFriction fitted to SPP and PWD
CementingPump pressure against displaced volumeDuring the jobRe-run with fluids pumped
Stuck-pipe riskExpected loads, SPP baseline, overpullEvery 15 sSoft-string on connections
Well controlPit volume for hole drilled, flow-backContinuousNoise learnt from the well
DirectionalPosition and separation to offsetsEvery 90 sISCWSA error model

Deployment

Your data stays on your ground.

DrillIQ runs as a dedicated instance for each customer: on your servers, in an in-country cloud, or managed by DrillIQ. A read-only edge agent on the rig buffers every channel through link drops and never writes to rig control.

Rig

Rig sensors

WITS0, WITSML, Modbus, OPC UA, file drop

Edge

Edge agent

Read-only, buffered, enrolled with a pinned key

Platform

DrillIQ

Your servers, an in-country cloud, or managed by DrillIQ

People

Operations centre, office, rig

Roles and approvals for every action

Engagement

By the rig-day, or by the month.

Every model includes every module. Prices are sent by email: tell us your rigs and wells, and we reply with a quote.

Per rig-day

Rig-Day

  • One well, one critical section, or a pilot
  • All modules on one rig
  • Billed for the days the rig sends data
Request pricing

Per rig-month

Monthly

  • Rigs on contract
  • All modules, engineering seats included
  • Annual fleet terms for several rigs
Request pricing

Annual licence

Enterprise

  • On your servers or an in-country cloud
  • Every rig, every module
  • Source escrow and a local partner
Request pricing
Or write toinfo@drilliq.pro

Muscat, Sultanate of Oman

See DrillIQ on your well.

A 45-minute session with a drilling engineer, on the Case Study or on data from one of your own wells.

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