出砂

苏丹P油田出砂规律与防砂时机

Sanding rules and proper sanding control time of Sudan P Oilfield

注水井出砂原因分析及防治措施

Reason analysis and preventive measures of sanding in water injection wells

当pH值超过12以后，出砂量显著增大。

When pH value exceeds 12 , sand production increases remarkably .

疏松砂岩油层出砂问题的Monte-Carlo模拟

Monte-Carlo simulation of sand production in unconsolidated sandstone reservoir

研究结果表明，开始出砂的临界流速随原油粘度以及流体pH值的升高而下降；

The result indicates that critical flow rate at the beginning of sand production declines with the rising of oil viscosity and pH value of fluid ;

由于醛冻胶的成冻pH值较低（pH值<3），因此可将其用于地层酸化，以解决酸化过程中的缓速与出砂问题。

Aldehyde gel is applied to acidize formation to solve retarding reaction velocity and sand controlling as a result of its low gelation pH value ( pH < 3 ) .

利用我国渤海地区J油藏疏松地层岩样，研究了油藏岩石的出砂规律以及出砂对渗透率的影响。

With the loose sand of J block of bohai oilfield , the sand production rule and sand production on permeability is studied .

了解油藏出砂机理对有效控制出砂以及选择合理的防砂方法具有重要的指导意义通过室内岩心流动实验，研究了流体粘度以及pH值对出砂的影响。

Understanding the mechanism of sand production is important to sand control . Through in - house core flow test , the effect of fluid viscosity and pH value on sand production has been studied .

以四单元模型为基础，通过Laplace变换推导出砂井地基主固结度和次固结度粘弹性解。

The visco-elastic equations of the degrees of primary consolidation & secondary consolidation of saturated soft clay are developed by Laplace transformations based on four-element model .

在分析了出砂机理以后，结合TH油藏出砂严重的现状和油藏特征，选择适合油藏特定条件的合理防砂方法。

After the analyses of sand Production mechanism , combining sand Production severely present status TH oil reservoir 's with characteristic of reservoir , select a fit way to oil reservoir condition .

Fula油田稠油油藏地层出砂机理实验研究

A laboratory research for the sand-production mechanism of viscous oil reservoirs in Fula oil field

根据Mohr-Coulomb准则，建立了相应的出砂预测模型，给出油井出砂时临界井底流压的计算方法。

Using Mohr Coulomb criteria , the sand production model is founded . The calculating method of the critical fluid pressure of bottom hole is given .

A3水平井割缝衬管完井后，未见出砂，投产后产油量约1200m~3/d，与预测结果吻合，完井产能预测准确率为100%。

After A3 well completion , oil production is about 1200m3 / d without sand production , which tallies with the prediction results . It shows that the prediction is 100 % correct .

用塑性应变准则建立了油井出砂预测的有限元力学模型，岩石的屈服应力准则用Drucker-Prager准则，在国内是油井出砂预测的一种新方法。

FEM Model of sand production in oil well was established with plastic strain criteria , the yield stress criteria of the rock is the Drucker-Prager criteria .

分析了造成A8井堵塞的三种主要原因，认为堵塞的原因依次是污油堵塞、固体颗粒侵入堵塞和地层出砂堵塞。

Three kinds of main plugging factors in A8 well have been analyzed , their sequence is effluent oil plugging , solidity invasion plugging and sanding plugging .

优选了Mohr-Coulomb准则作为计算疏松砂岩出砂压差的破坏准则，在此基础上建立了计算临界出砂压差的数学模型。

The Mohr-Coulomb rule has been chosen as the failure criterion to calculate the sand production pressure drop of unconsolidated sandstone reservoir and on this basis the mathematic model of critical sand producing pressure drop has been build .

2002年，针对辽河油田杜84特稠油区块出砂严重的难题，进行现场调研，开展相关的技术攻关，研制开发出问GQΦ146mm筛管。

In the year 2002 , field investigation had been carried out for sand producing problem in Du 84 super - heavy oil block in Liaohe oil province , and GQ φ 146 mm screen pipe had been developed .

鉴于目前中原油田油水井严重的出砂状况，进行了SSG－06固砂剂的室内研究及其现场施工应用。

The paper carries on the laboratory research and field construction & appilcation of the sand consolidation agent SSG-06 for the serious condition of sand production from oil wells and water wells in present . The production and field construction technology is simple and the cost is reduced .

在新井、新层中由于地层未亏空，先期防砂均采用UP-1树脂防砂，在已生产层出砂后地层亏空的情况下采用涂料砂充填工艺，防砂效果较好。

Because the formation is not in debt in a new reservoir , UP-1 resin is used in initial sand control . While the formation is deficit , the sand filling process by coating is an effective way .

稠油出砂冷采技术在河南油田的应用

Application of heavy oil cold production technology in Henan oil field

测井资料在海上油气田出砂预测中的应用

Application of Logging Data in Predicting Sand Production in Offshore Oilfields

气井系统出砂预测模型研究及应用

Model of systematic sanding prediction and its application for gas wells

疏松砂岩油藏出砂机理研究

Study on the mechanism of sand producing in unconsolidated sandstone reservoir

严重出砂井中采油套管损坏的力学分析

Mechanical analysis of production casing damage in severely sanding production wells

疏松砂岩出砂机理与出砂临界压差计算方法

The sanding mechanism and sanding critical drawdown calculation in loose sandstone

压裂气井出砂临界产量确定方法研究

A method to determine sand critical production in fracturing gas wells

毛管力与含水饱和度对岩石出砂的影响

The Effect of Capillary Pressure and Water Saturation on Sand Production

射孔完井高压气层出砂三维预测方法

3D prediction for sand production in gas wells of perforation completion

渤海稠油油田适度出砂生产可行性研究

Feasibility investigation on producing with reasonable sanding in Bohai heavy oilfield

油气井出砂预测研究

Application of plastic strain on sand production prediction in oil well