Chengong well test analysis system V8.0 collected the conventional oil and gas well test, low permeability oil and gas reservoir, condensate gas reservoir, heat recovery well and CO2 drive, temperature effect well test and unconventional oil and gas well test interpretation module such as shale gas and dense gas, in which the combinate seepage equation solutions are more than 90000. Well test analysis is a widely used method in the exploration and development of oil and gas fields. On the basis of oil test (gas test) or oil and gas field development test, by testing and analyzing bottom hole pressure data, reservoir can be analyzed and evaluated, which plays an important guiding role in the exploration and development of oil and gas fields.

The software has been upgraded and optimized on the basis of Chen Gong production data software V1.0, using new Ribbon interface design, has friendly interface and easy to operate.

Basic functions

Powerful data editing and processing functions: regular data editing, such as insert, delete, copy, paste, etc.; graphic editing function, data edited by graphic, such as delete, insert, move through the mouse; other advanced functions, such as section curve smooth, section curve regression, section resampling.

Comprehensive well test model: using seepage mode, geological model, fluid type, wellbore flow, different types of wells and different boundary combination form to build well test analysis model, the combination models are more than 90,000, to meet the domestic exploration and development of various oil and gas reservoirs well test interpretation needs.

Common well test analysis methods: well test analysis methods such as pressure and derivative simulation, linear section analysis methods (linear flow, semi-log, etc.) are provided.

Report output function: directly output the relevant interpretation results to the determined report template, to process report output.

Characteristic functions

On the basis of abundant well test model, the new well test software provides early well test analysis method for pressure recovery data without radial flow in low permeability oil and gas reservoir pressure test; provides nonlinear regression simulation method and automatic simulation method based on big data; and has advanced functions such as sensitive analysis, multi-well contrast, well test design, transient capacity and flow calculation, which can fully meet the needs of users.

Analysis method of early well test: it can interpret well test without radial flow. By using small signal extraction and amplification technology, a well test plate suitable for early well test analysis is obtained, which improves the interpretation accuracy and interpretation rate of pressure data.

Multiple simulation analysis methods: manual simulation, mouse drag simulation, scroll bar micro-adjusting simulation, nonlinear regression and automatic simulation method based on big data, convenient for users to quickly and accurately interpret the well test, especially mouse drag simulation, using human-computer interaction to quickly obtain high quality simulation effect.

Provides advanced functions: sensitive parameter analysis, multi-well contrast, well test design, transient capacity and flow calculation are provided.

Calculation of the proportion of adsorbed gas: real-time calculation function of the proportion of adsorbed gas in shale gas production is first time created, to assist in judging the production stage of shale gas well, and to help the rational planning of subsequent production.

Shale gas and water two-phase flow model: in view of the shale gas flowback drainage stage and the large amount of liquid production in the early stage of production, the first two-phase flow analysis model of shale gas and water can be put forward to calculate the change of water saturation near the wellbore and scientifically plan the shale gas flowback drainage and production system.

Various production capacity forecasting methods: including constant pressure forecasting, constant flow forecasting, constant production first then constant pressure forecasting, constant pressure first then constant production forecasting, pressure trend line forecasting methods, etc., which are more close to the field production practice, the prediction results are more accurate, and provide theoretical basis for subsequent production.