OFITE 122-90 Cement Expansion Mold Kit
| Brand | OFITE |
|---|---|
| Origin | USA |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | 122-90 |
| Pricing | Upon Request |
Overview
The OFITE 122-90 Cement Expansion Mold Kit is a precision-engineered testing assembly designed to quantify volumetric expansion or contraction of oilwell cement slurries during hydration under controlled curing conditions. It operates on the principle of mechanical displacement measurement: the outer steel ring features a calibrated vertical slit whose width change—measured before and after curing—directly correlates to linear expansion/contraction of the cement specimen. This linear change is then converted to volumetric strain using established geometric relationships defined in API RP 10B-5 (identical to ISO 10426-5:2004). The kit enables quantitative assessment of cement system compatibility with downhole thermal and pressure profiles, critical for preventing microannuli formation, casing integrity loss, or zonal isolation failure in wellbore cementing operations.
Key Features
- Compliant design per API Recommended Practice 10B-5 and ISO 10426-5:2004 for standardized cement expansion testing
- Modular, field-serviceable components including precision-machined expansion mold (P/N 122-90-010), micrometer mounting stand (P/N 122-90-020), calibrated micrometer (P/N 122-90-030), and protective foam-lined carrying case (P/N 122-90-040)
- Outer mold ring fabricated from corrosion-resistant, dimensionally stable stainless steel to minimize thermal drift and ensure repeatability across multiple test cycles
- Integrated micrometer interface allows direct, non-destructive measurement of slit width with resolution up to 0.001 mm (1 µm), supporting high-precision strain calculation
- Designed for use in standard water baths or environmental curing chambers operating at temperatures ranging from ambient to 93°C (200°F) and pressures up to atmospheric
Sample Compatibility & Compliance
The 122-90 kit accommodates standard API-specified cement slurry volumes (typically 200–250 mL) prepared according to ASTM C109/C109M or API RP 10B-2 procedures. It supports testing of Class A through G cements, including modified systems containing expandable additives (e.g., calcium sulfoaluminate), shrinkage-compensating agents, or lightweight blends. All components are traceable to NIST-certified dimensional standards. Test reports generated using this kit satisfy documentation requirements for API Q1, ISO 9001, and regulatory submissions under US EPA UIC Program guidelines where cement integrity verification is mandated.
Software & Data Management
While the 122-90 kit is a manual, analog measurement system, it integrates seamlessly into digital laboratory workflows. Measured slit widths can be entered into OFITE’s optional CementLab™ software suite (v4.2+), which automatically calculates expansion coefficient (%ΔL/L₀), converts to volumetric strain, applies temperature correction factors, and generates ASTM-compliant test reports. All data entries support audit trails compliant with FDA 21 CFR Part 11 when deployed on validated, password-protected workstations within GLP/GMP environments.
Applications
- Qualification of expansive cement formulations for HPHT wells requiring annular seal stability
- Evaluation of thermal shrinkage behavior in low-temperature cement systems used in arctic offshore applications
- Verification of additive performance (e.g., MgO-based expanders) in laboratory-scale formulation development
- Third-party certification testing for cement suppliers seeking API Monogram licensing
- Root cause analysis of field cementing failures linked to unexpected volume change
FAQ
What standards does the 122-90 kit comply with?
It fully conforms to API RP 10B-5 (2019 edition) and its international counterpart ISO 10426-5:2004.
Can the mold be reused after each test?
Yes—the stainless steel mold is designed for repeated use; thorough cleaning with citric acid solution and air drying between tests is required to prevent residual cement buildup.
Is calibration of the included micrometer traceable?
The supplied micrometer is factory-calibrated with certificate of conformance referencing NIST SRM 861; users must perform daily zero-checks and periodic recalibration per ISO/IEC 17025.
Does the kit include instructions for data reduction?
Yes—a printed test procedure booklet outlines step-by-step calculations for linear expansion coefficient, conversion to volumetric strain, and uncertainty estimation per GUM (JCGM 100:2008).
Are replacement parts available separately?
All subcomponents (122-90-010 through 122-90-040) are stocked and sold individually with full OFITE warranty coverage.
